72490500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 232530480

約数和(自身を除く): 160039980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 89, 90, 100, 125, 150, 178, 180, 181, 225, 250, 267, 300, 356, 362, 375, 445, 450, 500, 534, 543, 724, 750, 801, 890, 900, 905, 1068, 1086, 1125, 1335, 1500, 1602, 1629, 1780, 1810, 2172, 2225, 2250, 2670, 2715, 3204, 3258, 3620, 4005, 4450, 4500, 4525, 5340, 5430, 6516, 6675, 8010, 8145, 8900, 9050, 10860, 11125, 13350, 13575, 16020, 16109, 16290, 18100, 20025, 22250, 22625, 26700, 27150, 32218, 32580, 33375, 40050, 40725, 44500, 45250, 48327, 54300, 64436, 66750, 67875, 80100, 80545, 81450, 90500, 96654, 100125, 133500, 135750, 144981, 161090, 162900, 193308, 200250, 203625, 241635, 271500, 289962, 322180, 400500, 402725, 407250, 483270, 579924, 724905, 805450, 814500, 966540, 1208175, 1449810, 1610900, 2013625, 2416350, 2899620, 3624525, 4027250, 4832700, 6040875, 7249050, 8054500, 12081750, 14498100, 18122625, 24163500, 36245250, 72490500]

約数ペア:

[(1, 72490500), (2, 36245250), (3, 24163500), (4, 18122625), (5, 14498100), (6, 12081750), (9, 8054500), (10, 7249050), (12, 6040875), (15, 4832700), (18, 4027250), (20, 3624525), (25, 2899620), (30, 2416350), (36, 2013625), (45, 1610900), (50, 1449810), (60, 1208175), (75, 966540), (89, 814500), (90, 805450), (100, 724905), (125, 579924), (150, 483270), (178, 407250), (180, 402725), (181, 400500), (225, 322180), (250, 289962), (267, 271500), (300, 241635), (356, 203625), (362, 200250), (375, 193308), (445, 162900), (450, 161090), (500, 144981), (534, 135750), (543, 133500), (724, 100125), (750, 96654), (801, 90500), (890, 81450), (900, 80545), (905, 80100), (1068, 67875), (1086, 66750), (1125, 64436), (1335, 54300), (1500, 48327), (1602, 45250), (1629, 44500), (1780, 40725), (1810, 40050), (2172, 33375), (2225, 32580), (2250, 32218), (2670, 27150), (2715, 26700), (3204, 22625), (3258, 22250), (3620, 20025), (4005, 18100), (4450, 16290), (4500, 16109), (4525, 16020), (5340, 13575), (5430, 13350), (6516, 11125), (6675, 10860), (8010, 9050), (8145, 8900)]