81482580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 258764688

約数和(自身を除く): 177282108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 61, 82, 90, 122, 123, 164, 180, 181, 183, 205, 244, 246, 305, 362, 366, 369, 410, 492, 543, 549, 610, 615, 724, 732, 738, 820, 905, 915, 1086, 1098, 1220, 1230, 1476, 1629, 1810, 1830, 1845, 2172, 2196, 2460, 2501, 2715, 2745, 3258, 3620, 3660, 3690, 5002, 5430, 5490, 6516, 7380, 7421, 7503, 8145, 10004, 10860, 10980, 11041, 12505, 14842, 15006, 16290, 22082, 22263, 22509, 25010, 29684, 30012, 32580, 33123, 37105, 37515, 44164, 44526, 45018, 50020, 55205, 66246, 66789, 74210, 75030, 89052, 90036, 99369, 110410, 111315, 112545, 132492, 133578, 148420, 150060, 165615, 198738, 220820, 222630, 225090, 267156, 331230, 333945, 397476, 445260, 450180, 452681, 496845, 662460, 667890, 905362, 993690, 1335780, 1358043, 1810724, 1987380, 2263405, 2716086, 4074129, 4526810, 5432172, 6790215, 8148258, 9053620, 13580430, 16296516, 20370645, 27160860, 40741290, 81482580]

約数ペア:

[(1, 81482580), (2, 40741290), (3, 27160860), (4, 20370645), (5, 16296516), (6, 13580430), (9, 9053620), (10, 8148258), (12, 6790215), (15, 5432172), (18, 4526810), (20, 4074129), (30, 2716086), (36, 2263405), (41, 1987380), (45, 1810724), (60, 1358043), (61, 1335780), (82, 993690), (90, 905362), (122, 667890), (123, 662460), (164, 496845), (180, 452681), (181, 450180), (183, 445260), (205, 397476), (244, 333945), (246, 331230), (305, 267156), (362, 225090), (366, 222630), (369, 220820), (410, 198738), (492, 165615), (543, 150060), (549, 148420), (610, 133578), (615, 132492), (724, 112545), (732, 111315), (738, 110410), (820, 99369), (905, 90036), (915, 89052), (1086, 75030), (1098, 74210), (1220, 66789), (1230, 66246), (1476, 55205), (1629, 50020), (1810, 45018), (1830, 44526), (1845, 44164), (2172, 37515), (2196, 37105), (2460, 33123), (2501, 32580), (2715, 30012), (2745, 29684), (3258, 25010), (3620, 22509), (3660, 22263), (3690, 22082), (5002, 16290), (5430, 15006), (5490, 14842), (6516, 12505), (7380, 11041), (7421, 10980), (7503, 10860), (8145, 10004)]