19944435420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{13681}}^1$

素因数の和:13805

約数の個数: 288

約数和(自身を含む): 75301349760

約数和(自身を除く): 55356914340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 89, 90, 91, 105, 117, 126, 130, 140, 156, 178, 180, 182, 195, 210, 234, 252, 260, 267, 273, 315, 356, 364, 390, 420, 445, 455, 468, 534, 546, 585, 623, 630, 780, 801, 819, 890, 910, 1068, 1092, 1157, 1170, 1246, 1260, 1335, 1365, 1602, 1638, 1780, 1820, 1869, 2314, 2340, 2492, 2670, 2730, 3115, 3204, 3276, 3471, 3738, 4005, 4095, 4628, 5340, 5460, 5607, 5785, 6230, 6942, 7476, 8010, 8099, 8190, 9345, 10413, 11214, 11570, 12460, 13681, 13884, 16020, 16198, 16380, 17355, 18690, 20826, 22428, 23140, 24297, 27362, 28035, 32396, 34710, 37380, 40495, 41043, 41652, 48594, 52065, 54724, 56070, 68405, 69420, 72891, 80990, 82086, 95767, 97188, 104130, 112140, 121485, 123129, 136810, 145782, 161980, 164172, 177853, 191534, 205215, 208260, 242970, 246258, 273620, 287301, 291564, 355706, 364455, 383068, 410430, 478835, 485940, 492516, 533559, 574602, 615645, 711412, 728910, 820860, 861903, 889265, 957670, 1067118, 1149204, 1217609, 1231290, 1244971, 1436505, 1457820, 1600677, 1723806, 1778530, 1915340, 2134236, 2435218, 2462580, 2489942, 2667795, 2873010, 3201354, 3447612, 3557060, 3652827, 3734913, 4309515, 4870436, 4979884, 5335590, 5746020, 6088045, 6224855, 6402708, 7305654, 7469826, 8003385, 8523263, 8619030, 10671180, 10958481, 11204739, 12176090, 12449710, 14611308, 14939652, 15828917, 16006770, 17046526, 17238060, 18264135, 18674565, 21916962, 22409478, 24352180, 24899420, 25569789, 31657834, 32013540, 34093052, 36528270, 37349130, 42616315, 43833924, 44818956, 47486751, 51139578, 54792405, 56023695, 63315668, 73056540, 74698260, 76709367, 79144585, 85232630, 94973502, 102279156, 109584810, 110802419, 112047390, 127848945, 142460253, 153418734, 158289170, 170465260, 189947004, 219169620, 221604838, 224094780, 237433755, 255697890, 284920506, 306837468, 316578340, 332407257, 383546835, 443209676, 474867510, 511395780, 554012095, 569841012, 664814514, 712301265, 767093670, 949735020, 997221771, 1108024190, 1329629028, 1424602530, 1534187340, 1662036285, 1994443542, 2216048380, 2849205060, 3324072570, 3988887084, 4986108855, 6648145140, 9972217710, 19944435420]

約数ペア:

[(1, 19944435420), (2, 9972217710), (3, 6648145140), (4, 4986108855), (5, 3988887084), (6, 3324072570), (7, 2849205060), (9, 2216048380), (10, 1994443542), (12, 1662036285), (13, 1534187340), (14, 1424602530), (15, 1329629028), (18, 1108024190), (20, 997221771), (21, 949735020), (26, 767093670), (28, 712301265), (30, 664814514), (35, 569841012), (36, 554012095), (39, 511395780), (42, 474867510), (45, 443209676), (52, 383546835), (60, 332407257), (63, 316578340), (65, 306837468), (70, 284920506), (78, 255697890), (84, 237433755), (89, 224094780), (90, 221604838), (91, 219169620), (105, 189947004), (117, 170465260), (126, 158289170), (130, 153418734), (140, 142460253), (156, 127848945), (178, 112047390), (180, 110802419), (182, 109584810), (195, 102279156), (210, 94973502), (234, 85232630), (252, 79144585), (260, 76709367), (267, 74698260), (273, 73056540), (315, 63315668), (356, 56023695), (364, 54792405), (390, 51139578), (420, 47486751), (445, 44818956), (455, 43833924), (468, 42616315), (534, 37349130), (546, 36528270), (585, 34093052), (623, 32013540), (630, 31657834), (780, 25569789), (801, 24899420), (819, 24352180), (890, 22409478), (910, 21916962), (1068, 18674565), (1092, 18264135), (1157, 17238060), (1170, 17046526), (1246, 16006770), (1260, 15828917), (1335, 14939652), (1365, 14611308), (1602, 12449710), (1638, 12176090), (1780, 11204739), (1820, 10958481), (1869, 10671180), (2314, 8619030), (2340, 8523263), (2492, 8003385), (2670, 7469826), (2730, 7305654), (3115, 6402708), (3204, 6224855), (3276, 6088045), (3471, 5746020), (3738, 5335590), (4005, 4979884), (4095, 4870436), (4628, 4309515), (5340, 3734913), (5460, 3652827), (5607, 3557060), (5785, 3447612), (6230, 3201354), (6942, 2873010), (7476, 2667795), (8010, 2489942), (8099, 2462580), (8190, 2435218), (9345, 2134236), (10413, 1915340), (11214, 1778530), (11570, 1723806), (12460, 1600677), (13681, 1457820), (13884, 1436505), (16020, 1244971), (16198, 1231290), (16380, 1217609), (17355, 1149204), (18690, 1067118), (20826, 957670), (22428, 889265), (23140, 861903), (24297, 820860), (27362, 728910), (28035, 711412), (32396, 615645), (34710, 574602), (37380, 533559), (40495, 492516), (41043, 485940), (41652, 478835), (48594, 410430), (52065, 383068), (54724, 364455), (56070, 355706), (68405, 291564), (69420, 287301), (72891, 273620), (80990, 246258), (82086, 242970), (95767, 208260), (97188, 205215), (104130, 191534), (112140, 177853), (121485, 164172), (123129, 161980), (136810, 145782)]