81780360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 255761280

約数和(自身を除く): 173980920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 113, 120, 148, 163, 185, 222, 226, 296, 326, 339, 370, 444, 452, 489, 555, 565, 652, 678, 740, 815, 888, 904, 978, 1110, 1130, 1304, 1356, 1480, 1630, 1695, 1956, 2220, 2260, 2445, 2712, 3260, 3390, 3912, 4181, 4440, 4520, 4890, 6031, 6520, 6780, 8362, 9780, 12062, 12543, 13560, 16724, 18093, 18419, 19560, 20905, 24124, 25086, 30155, 33448, 36186, 36838, 41810, 48248, 50172, 55257, 60310, 62715, 72372, 73676, 83620, 90465, 92095, 100344, 110514, 120620, 125430, 144744, 147352, 167240, 180930, 184190, 221028, 241240, 250860, 276285, 361860, 368380, 442056, 501720, 552570, 681503, 723720, 736760, 1105140, 1363006, 2044509, 2210280, 2726012, 3407515, 4089018, 5452024, 6815030, 8178036, 10222545, 13630060, 16356072, 20445090, 27260120, 40890180, 81780360]

約数ペア:

[(1, 81780360), (2, 40890180), (3, 27260120), (4, 20445090), (5, 16356072), (6, 13630060), (8, 10222545), (10, 8178036), (12, 6815030), (15, 5452024), (20, 4089018), (24, 3407515), (30, 2726012), (37, 2210280), (40, 2044509), (60, 1363006), (74, 1105140), (111, 736760), (113, 723720), (120, 681503), (148, 552570), (163, 501720), (185, 442056), (222, 368380), (226, 361860), (296, 276285), (326, 250860), (339, 241240), (370, 221028), (444, 184190), (452, 180930), (489, 167240), (555, 147352), (565, 144744), (652, 125430), (678, 120620), (740, 110514), (815, 100344), (888, 92095), (904, 90465), (978, 83620), (1110, 73676), (1130, 72372), (1304, 62715), (1356, 60310), (1480, 55257), (1630, 50172), (1695, 48248), (1956, 41810), (2220, 36838), (2260, 36186), (2445, 33448), (2712, 30155), (3260, 25086), (3390, 24124), (3912, 20905), (4181, 19560), (4440, 18419), (4520, 18093), (4890, 16724), (6031, 13560), (6520, 12543), (6780, 12062), (8362, 9780)]