263360760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:849

約数の個数: 128

約数和(自身を含む): 855005760

約数和(自身を除く): 591645000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 401, 421, 520, 780, 802, 842, 1203, 1263, 1560, 1604, 1684, 2005, 2105, 2406, 2526, 3208, 3368, 4010, 4210, 4812, 5052, 5213, 5473, 6015, 6315, 8020, 8420, 9624, 10104, 10426, 10946, 12030, 12630, 15639, 16040, 16419, 16840, 20852, 21892, 24060, 25260, 26065, 27365, 31278, 32838, 41704, 43784, 48120, 50520, 52130, 54730, 62556, 65676, 78195, 82095, 104260, 109460, 125112, 131352, 156390, 164190, 168821, 208520, 218920, 312780, 328380, 337642, 506463, 625560, 656760, 675284, 844105, 1012926, 1350568, 1688210, 2025852, 2194673, 2532315, 3376420, 4051704, 4389346, 5064630, 6584019, 6752840, 8778692, 10129260, 10973365, 13168038, 17557384, 20258520, 21946730, 26336076, 32920095, 43893460, 52672152, 65840190, 87786920, 131680380, 263360760]

約数ペア:

[(1, 263360760), (2, 131680380), (3, 87786920), (4, 65840190), (5, 52672152), (6, 43893460), (8, 32920095), (10, 26336076), (12, 21946730), (13, 20258520), (15, 17557384), (20, 13168038), (24, 10973365), (26, 10129260), (30, 8778692), (39, 6752840), (40, 6584019), (52, 5064630), (60, 4389346), (65, 4051704), (78, 3376420), (104, 2532315), (120, 2194673), (130, 2025852), (156, 1688210), (195, 1350568), (260, 1012926), (312, 844105), (390, 675284), (401, 656760), (421, 625560), (520, 506463), (780, 337642), (802, 328380), (842, 312780), (1203, 218920), (1263, 208520), (1560, 168821), (1604, 164190), (1684, 156390), (2005, 131352), (2105, 125112), (2406, 109460), (2526, 104260), (3208, 82095), (3368, 78195), (4010, 65676), (4210, 62556), (4812, 54730), (5052, 52130), (5213, 50520), (5473, 48120), (6015, 43784), (6315, 41704), (8020, 32838), (8420, 31278), (9624, 27365), (10104, 26065), (10426, 25260), (10946, 24060), (12030, 21892), (12630, 20852), (15639, 16840), (16040, 16419)]