81976680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3733}}^1$

素因数の和:3811

約数の個数: 96

約数和(自身を含む): 270864360

約数和(自身を除く): 188887680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 915, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 3660, 3733, 4392, 5490, 7320, 7466, 10980, 11199, 14932, 18665, 21960, 22398, 29864, 33597, 37330, 44796, 55995, 67194, 74660, 89592, 111990, 134388, 149320, 167985, 223980, 227713, 268776, 335970, 447960, 455426, 671940, 683139, 910852, 1138565, 1343880, 1366278, 1821704, 2049417, 2277130, 2732556, 3415695, 4098834, 4554260, 5465112, 6831390, 8197668, 9108520, 10247085, 13662780, 16395336, 20494170, 27325560, 40988340, 81976680]

約数ペア:

[(1, 81976680), (2, 40988340), (3, 27325560), (4, 20494170), (5, 16395336), (6, 13662780), (8, 10247085), (9, 9108520), (10, 8197668), (12, 6831390), (15, 5465112), (18, 4554260), (20, 4098834), (24, 3415695), (30, 2732556), (36, 2277130), (40, 2049417), (45, 1821704), (60, 1366278), (61, 1343880), (72, 1138565), (90, 910852), (120, 683139), (122, 671940), (180, 455426), (183, 447960), (244, 335970), (305, 268776), (360, 227713), (366, 223980), (488, 167985), (549, 149320), (610, 134388), (732, 111990), (915, 89592), (1098, 74660), (1220, 67194), (1464, 55995), (1830, 44796), (2196, 37330), (2440, 33597), (2745, 29864), (3660, 22398), (3733, 21960), (4392, 18665), (5490, 14932), (7320, 11199), (7466, 10980)]