68481480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 149246520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 41, 60, 62, 82, 93, 120, 123, 124, 155, 164, 186, 205, 246, 248, 310, 328, 372, 410, 449, 465, 492, 615, 620, 744, 820, 898, 930, 984, 1230, 1240, 1271, 1347, 1640, 1796, 1860, 2245, 2460, 2542, 2694, 3592, 3720, 3813, 4490, 4920, 5084, 5388, 6355, 6735, 7626, 8980, 10168, 10776, 12710, 13470, 13919, 15252, 17960, 18409, 19065, 25420, 26940, 27838, 30504, 36818, 38130, 41757, 50840, 53880, 55227, 55676, 69595, 73636, 76260, 83514, 92045, 110454, 111352, 139190, 147272, 152520, 167028, 184090, 208785, 220908, 276135, 278380, 334056, 368180, 417570, 441816, 552270, 556760, 570679, 736360, 835140, 1104540, 1141358, 1670280, 1712037, 2209080, 2282716, 2853395, 3424074, 4565432, 5706790, 6848148, 8560185, 11413580, 13696296, 17120370, 22827160, 34240740, 68481480]

約数ペア:

[(1, 68481480), (2, 34240740), (3, 22827160), (4, 17120370), (5, 13696296), (6, 11413580), (8, 8560185), (10, 6848148), (12, 5706790), (15, 4565432), (20, 3424074), (24, 2853395), (30, 2282716), (31, 2209080), (40, 1712037), (41, 1670280), (60, 1141358), (62, 1104540), (82, 835140), (93, 736360), (120, 570679), (123, 556760), (124, 552270), (155, 441816), (164, 417570), (186, 368180), (205, 334056), (246, 278380), (248, 276135), (310, 220908), (328, 208785), (372, 184090), (410, 167028), (449, 152520), (465, 147272), (492, 139190), (615, 111352), (620, 110454), (744, 92045), (820, 83514), (898, 76260), (930, 73636), (984, 69595), (1230, 55676), (1240, 55227), (1271, 53880), (1347, 50840), (1640, 41757), (1796, 38130), (1860, 36818), (2245, 30504), (2460, 27838), (2542, 26940), (2694, 25420), (3592, 19065), (3720, 18409), (3813, 17960), (4490, 15252), (4920, 13919), (5084, 13470), (5388, 12710), (6355, 10776), (6735, 10168), (7626, 8980)]