78760760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 196058880

約数和(自身を除く): 117298120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 169, 191, 244, 260, 305, 338, 382, 488, 520, 610, 676, 764, 793, 845, 955, 1220, 1352, 1528, 1586, 1690, 1910, 2440, 2483, 3172, 3380, 3820, 3965, 4966, 6344, 6760, 7640, 7930, 9932, 10309, 11651, 12415, 15860, 19864, 20618, 23302, 24830, 31720, 32279, 41236, 46604, 49660, 51545, 58255, 64558, 82472, 93208, 99320, 103090, 116510, 129116, 151463, 161395, 206180, 233020, 258232, 302926, 322790, 412360, 466040, 605852, 645580, 757315, 1211704, 1291160, 1514630, 1969019, 3029260, 3938038, 6058520, 7876076, 9845095, 15752152, 19690190, 39380380, 78760760]

約数ペア:

[(1, 78760760), (2, 39380380), (4, 19690190), (5, 15752152), (8, 9845095), (10, 7876076), (13, 6058520), (20, 3938038), (26, 3029260), (40, 1969019), (52, 1514630), (61, 1291160), (65, 1211704), (104, 757315), (122, 645580), (130, 605852), (169, 466040), (191, 412360), (244, 322790), (260, 302926), (305, 258232), (338, 233020), (382, 206180), (488, 161395), (520, 151463), (610, 129116), (676, 116510), (764, 103090), (793, 99320), (845, 93208), (955, 82472), (1220, 64558), (1352, 58255), (1528, 51545), (1586, 49660), (1690, 46604), (1910, 41236), (2440, 32279), (2483, 31720), (3172, 24830), (3380, 23302), (3820, 20618), (3965, 19864), (4966, 15860), (6344, 12415), (6760, 11651), (7640, 10309), (7930, 9932)]