56651920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 160

約数和(自身を含む): 154990080

約数和(自身を除く): 98338160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 47, 52, 61, 65, 76, 80, 94, 95, 104, 122, 130, 152, 188, 190, 208, 235, 244, 247, 260, 304, 305, 376, 380, 470, 488, 494, 520, 610, 611, 752, 760, 793, 893, 940, 976, 988, 1040, 1159, 1220, 1222, 1235, 1520, 1586, 1786, 1880, 1976, 2318, 2440, 2444, 2470, 2867, 3055, 3172, 3572, 3760, 3952, 3965, 4465, 4636, 4880, 4888, 4940, 5734, 5795, 6110, 6344, 7144, 7930, 8930, 9272, 9776, 9880, 11468, 11590, 11609, 12220, 12688, 14288, 14335, 15067, 15860, 17860, 18544, 19760, 22936, 23180, 23218, 24440, 28670, 30134, 31720, 35720, 37271, 45872, 46360, 46436, 48880, 54473, 57340, 58045, 60268, 63440, 71440, 74542, 75335, 92720, 92872, 108946, 114680, 116090, 120536, 149084, 150670, 185744, 186355, 217892, 229360, 232180, 241072, 272365, 298168, 301340, 372710, 435784, 464360, 544730, 596336, 602680, 708149, 745420, 871568, 928720, 1089460, 1205360, 1416298, 1490840, 2178920, 2832596, 2981680, 3540745, 4357840, 5665192, 7081490, 11330384, 14162980, 28325960, 56651920]

約数ペア:

[(1, 56651920), (2, 28325960), (4, 14162980), (5, 11330384), (8, 7081490), (10, 5665192), (13, 4357840), (16, 3540745), (19, 2981680), (20, 2832596), (26, 2178920), (38, 1490840), (40, 1416298), (47, 1205360), (52, 1089460), (61, 928720), (65, 871568), (76, 745420), (80, 708149), (94, 602680), (95, 596336), (104, 544730), (122, 464360), (130, 435784), (152, 372710), (188, 301340), (190, 298168), (208, 272365), (235, 241072), (244, 232180), (247, 229360), (260, 217892), (304, 186355), (305, 185744), (376, 150670), (380, 149084), (470, 120536), (488, 116090), (494, 114680), (520, 108946), (610, 92872), (611, 92720), (752, 75335), (760, 74542), (793, 71440), (893, 63440), (940, 60268), (976, 58045), (988, 57340), (1040, 54473), (1159, 48880), (1220, 46436), (1222, 46360), (1235, 45872), (1520, 37271), (1586, 35720), (1786, 31720), (1880, 30134), (1976, 28670), (2318, 24440), (2440, 23218), (2444, 23180), (2470, 22936), (2867, 19760), (3055, 18544), (3172, 17860), (3572, 15860), (3760, 15067), (3952, 14335), (3965, 14288), (4465, 12688), (4636, 12220), (4880, 11609), (4888, 11590), (4940, 11468), (5734, 9880), (5795, 9776), (6110, 9272), (6344, 8930), (7144, 7930)]