320378760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1201}}^1$

素因数の和:1253

約数の個数: 256

約数和(自身を含む): 1211616000

約数和(自身を除く): 891237240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 52, 54, 57, 60, 65, 72, 76, 78, 90, 95, 104, 108, 114, 117, 120, 130, 135, 152, 156, 171, 180, 190, 195, 216, 228, 234, 247, 260, 270, 285, 312, 342, 351, 360, 380, 390, 456, 468, 494, 513, 520, 540, 570, 585, 684, 702, 741, 760, 780, 855, 936, 988, 1026, 1080, 1140, 1170, 1201, 1235, 1368, 1404, 1482, 1560, 1710, 1755, 1976, 2052, 2223, 2280, 2340, 2402, 2470, 2565, 2808, 2964, 3420, 3510, 3603, 3705, 4104, 4446, 4680, 4804, 4940, 5130, 5928, 6005, 6669, 6840, 7020, 7206, 7410, 8892, 9608, 9880, 10260, 10809, 11115, 12010, 13338, 14040, 14412, 14820, 15613, 17784, 18015, 20520, 21618, 22230, 22819, 24020, 26676, 28824, 29640, 31226, 32427, 33345, 36030, 43236, 44460, 45638, 46839, 48040, 53352, 54045, 62452, 64854, 66690, 68457, 72060, 78065, 86472, 88920, 91276, 93678, 108090, 114095, 124904, 129708, 133380, 136914, 140517, 144120, 156130, 162135, 182552, 187356, 205371, 216180, 228190, 234195, 259416, 266760, 273828, 281034, 296647, 312260, 324270, 342285, 374712, 410742, 421551, 432360, 456380, 468390, 547656, 562068, 593294, 616113, 624520, 648540, 684570, 702585, 821484, 843102, 889941, 912760, 936780, 1026855, 1124136, 1186588, 1232226, 1297080, 1369140, 1405170, 1483235, 1642968, 1686204, 1779882, 1873560, 2053710, 2107755, 2373176, 2464452, 2669823, 2738280, 2810340, 2966470, 3080565, 3372408, 3559764, 4107420, 4215510, 4449705, 4928904, 5339646, 5620680, 5932940, 6161130, 7119528, 8009469, 8214840, 8431020, 8899410, 10679292, 11865880, 12322260, 13349115, 16018938, 16862040, 17798820, 21358584, 24644520, 26698230, 32037876, 35597640, 40047345, 53396460, 64075752, 80094690, 106792920, 160189380, 320378760]

約数ペア:

[(1, 320378760), (2, 160189380), (3, 106792920), (4, 80094690), (5, 64075752), (6, 53396460), (8, 40047345), (9, 35597640), (10, 32037876), (12, 26698230), (13, 24644520), (15, 21358584), (18, 17798820), (19, 16862040), (20, 16018938), (24, 13349115), (26, 12322260), (27, 11865880), (30, 10679292), (36, 8899410), (38, 8431020), (39, 8214840), (40, 8009469), (45, 7119528), (52, 6161130), (54, 5932940), (57, 5620680), (60, 5339646), (65, 4928904), (72, 4449705), (76, 4215510), (78, 4107420), (90, 3559764), (95, 3372408), (104, 3080565), (108, 2966470), (114, 2810340), (117, 2738280), (120, 2669823), (130, 2464452), (135, 2373176), (152, 2107755), (156, 2053710), (171, 1873560), (180, 1779882), (190, 1686204), (195, 1642968), (216, 1483235), (228, 1405170), (234, 1369140), (247, 1297080), (260, 1232226), (270, 1186588), (285, 1124136), (312, 1026855), (342, 936780), (351, 912760), (360, 889941), (380, 843102), (390, 821484), (456, 702585), (468, 684570), (494, 648540), (513, 624520), (520, 616113), (540, 593294), (570, 562068), (585, 547656), (684, 468390), (702, 456380), (741, 432360), (760, 421551), (780, 410742), (855, 374712), (936, 342285), (988, 324270), (1026, 312260), (1080, 296647), (1140, 281034), (1170, 273828), (1201, 266760), (1235, 259416), (1368, 234195), (1404, 228190), (1482, 216180), (1560, 205371), (1710, 187356), (1755, 182552), (1976, 162135), (2052, 156130), (2223, 144120), (2280, 140517), (2340, 136914), (2402, 133380), (2470, 129708), (2565, 124904), (2808, 114095), (2964, 108090), (3420, 93678), (3510, 91276), (3603, 88920), (3705, 86472), (4104, 78065), (4446, 72060), (4680, 68457), (4804, 66690), (4940, 64854), (5130, 62452), (5928, 54045), (6005, 53352), (6669, 48040), (6840, 46839), (7020, 45638), (7206, 44460), (7410, 43236), (8892, 36030), (9608, 33345), (9880, 32427), (10260, 31226), (10809, 29640), (11115, 28824), (12010, 26676), (13338, 24020), (14040, 22819), (14412, 22230), (14820, 21618), (15613, 20520), (17784, 18015)]