68803020

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1$

素因数の和:65

約数の個数: 288

約数和(自身を含む): 256509120

約数和(自身を除く): 187706100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 27, 30, 33, 36, 39, 44, 45, 52, 54, 55, 60, 65, 66, 78, 81, 90, 99, 108, 110, 117, 121, 130, 132, 135, 143, 156, 162, 165, 180, 195, 198, 220, 234, 242, 243, 260, 270, 286, 297, 324, 330, 351, 363, 390, 396, 405, 429, 468, 484, 486, 495, 540, 572, 585, 594, 605, 660, 702, 715, 726, 729, 780, 810, 858, 891, 972, 990, 1053, 1089, 1170, 1188, 1210, 1215, 1287, 1404, 1430, 1452, 1458, 1485, 1573, 1620, 1716, 1755, 1782, 1815, 1980, 2106, 2145, 2178, 2187, 2340, 2420, 2430, 2574, 2673, 2860, 2916, 2970, 3146, 3159, 3267, 3510, 3564, 3630, 3645, 3861, 4212, 4290, 4356, 4374, 4455, 4719, 4860, 5148, 5265, 5346, 5445, 5940, 6292, 6318, 6435, 6534, 7020, 7260, 7290, 7722, 7865, 8019, 8580, 8748, 8910, 9438, 9477, 9801, 10530, 10692, 10890, 10935, 11583, 12636, 12870, 13068, 13365, 14157, 14580, 15444, 15730, 15795, 16038, 16335, 17820, 18876, 18954, 19305, 19602, 21060, 21780, 21870, 23166, 23595, 24057, 25740, 26730, 28314, 28431, 29403, 31460, 31590, 32076, 32670, 34749, 37908, 38610, 39204, 40095, 42471, 43740, 46332, 47190, 47385, 48114, 49005, 53460, 56628, 56862, 57915, 58806, 63180, 65340, 69498, 70785, 77220, 80190, 84942, 88209, 94380, 94770, 96228, 98010, 104247, 113724, 115830, 117612, 120285, 127413, 138996, 141570, 142155, 147015, 160380, 169884, 173745, 176418, 189540, 196020, 208494, 212355, 231660, 240570, 254826, 264627, 283140, 284310, 294030, 312741, 347490, 352836, 382239, 416988, 424710, 441045, 481140, 509652, 521235, 529254, 568620, 588060, 625482, 637065, 694980, 764478, 849420, 882090, 1042470, 1058508, 1146717, 1250964, 1274130, 1323135, 1528956, 1563705, 1764180, 1911195, 2084940, 2293434, 2548260, 2646270, 3127410, 3440151, 3822390, 4586868, 5292540, 5733585, 6254820, 6880302, 7644780, 11467170, 13760604, 17200755, 22934340, 34401510, 68803020]

約数ペア:

[(1, 68803020), (2, 34401510), (3, 22934340), (4, 17200755), (5, 13760604), (6, 11467170), (9, 7644780), (10, 6880302), (11, 6254820), (12, 5733585), (13, 5292540), (15, 4586868), (18, 3822390), (20, 3440151), (22, 3127410), (26, 2646270), (27, 2548260), (30, 2293434), (33, 2084940), (36, 1911195), (39, 1764180), (44, 1563705), (45, 1528956), (52, 1323135), (54, 1274130), (55, 1250964), (60, 1146717), (65, 1058508), (66, 1042470), (78, 882090), (81, 849420), (90, 764478), (99, 694980), (108, 637065), (110, 625482), (117, 588060), (121, 568620), (130, 529254), (132, 521235), (135, 509652), (143, 481140), (156, 441045), (162, 424710), (165, 416988), (180, 382239), (195, 352836), (198, 347490), (220, 312741), (234, 294030), (242, 284310), (243, 283140), (260, 264627), (270, 254826), (286, 240570), (297, 231660), (324, 212355), (330, 208494), (351, 196020), (363, 189540), (390, 176418), (396, 173745), (405, 169884), (429, 160380), (468, 147015), (484, 142155), (486, 141570), (495, 138996), (540, 127413), (572, 120285), (585, 117612), (594, 115830), (605, 113724), (660, 104247), (702, 98010), (715, 96228), (726, 94770), (729, 94380), (780, 88209), (810, 84942), (858, 80190), (891, 77220), (972, 70785), (990, 69498), (1053, 65340), (1089, 63180), (1170, 58806), (1188, 57915), (1210, 56862), (1215, 56628), (1287, 53460), (1404, 49005), (1430, 48114), (1452, 47385), (1458, 47190), (1485, 46332), (1573, 43740), (1620, 42471), (1716, 40095), (1755, 39204), (1782, 38610), (1815, 37908), (1980, 34749), (2106, 32670), (2145, 32076), (2178, 31590), (2187, 31460), (2340, 29403), (2420, 28431), (2430, 28314), (2574, 26730), (2673, 25740), (2860, 24057), (2916, 23595), (2970, 23166), (3146, 21870), (3159, 21780), (3267, 21060), (3510, 19602), (3564, 19305), (3630, 18954), (3645, 18876), (3861, 17820), (4212, 16335), (4290, 16038), (4356, 15795), (4374, 15730), (4455, 15444), (4719, 14580), (4860, 14157), (5148, 13365), (5265, 13068), (5346, 12870), (5445, 12636), (5940, 11583), (6292, 10935), (6318, 10890), (6435, 10692), (6534, 10530), (7020, 9801), (7260, 9477), (7290, 9438), (7722, 8910), (7865, 8748), (8019, 8580)]