278303760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{55219}}^1$

素因数の和:55245

約数の個数: 120

約数和(自身を含む): 1068175680

約数和(自身を除く): 789871920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 55219, 110438, 165657, 220876, 276095, 331314, 386533, 441752, 496971, 552190, 662628, 773066, 828285, 883504, 993942, 1104380, 1159599, 1325256, 1546132, 1656570, 1932665, 1987884, 2208760, 2319198, 2484855, 2650512, 3092264, 3313140, 3478797, 3865330, 3975768, 4417520, 4638396, 4969710, 5797995, 6184528, 6626280, 6957594, 7730660, 7951536, 9276792, 9939420, 11595990, 13252560, 13915188, 15461320, 17393985, 18553584, 19878840, 23191980, 27830376, 30922640, 34787970, 39757680, 46383960, 55660752, 69575940, 92767920, 139151880, 278303760]

約数ペア:

[(1, 278303760), (2, 139151880), (3, 92767920), (4, 69575940), (5, 55660752), (6, 46383960), (7, 39757680), (8, 34787970), (9, 30922640), (10, 27830376), (12, 23191980), (14, 19878840), (15, 18553584), (16, 17393985), (18, 15461320), (20, 13915188), (21, 13252560), (24, 11595990), (28, 9939420), (30, 9276792), (35, 7951536), (36, 7730660), (40, 6957594), (42, 6626280), (45, 6184528), (48, 5797995), (56, 4969710), (60, 4638396), (63, 4417520), (70, 3975768), (72, 3865330), (80, 3478797), (84, 3313140), (90, 3092264), (105, 2650512), (112, 2484855), (120, 2319198), (126, 2208760), (140, 1987884), (144, 1932665), (168, 1656570), (180, 1546132), (210, 1325256), (240, 1159599), (252, 1104380), (280, 993942), (315, 883504), (336, 828285), (360, 773066), (420, 662628), (504, 552190), (560, 496971), (630, 441752), (720, 386533), (840, 331314), (1008, 276095), (1260, 220876), (1680, 165657), (2520, 110438), (5040, 55219)]