19954907160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{8231}}^1$

素因数の和:8561

約数の個数: 128

約数和(自身を含む): 60811430400

約数和(自身を除く): 40856523240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 227, 267, 356, 445, 454, 534, 681, 712, 890, 908, 1068, 1135, 1335, 1362, 1780, 1816, 2136, 2270, 2670, 2724, 3405, 3560, 4540, 5340, 5448, 6810, 8231, 9080, 10680, 13620, 16462, 20203, 24693, 27240, 32924, 40406, 41155, 49386, 60609, 65848, 80812, 82310, 98772, 101015, 121218, 123465, 161624, 164620, 197544, 202030, 242436, 246930, 303045, 329240, 404060, 484872, 493860, 606090, 732559, 808120, 987720, 1212180, 1465118, 1868437, 2197677, 2424360, 2930236, 3662795, 3736874, 4395354, 5605311, 5860472, 7325590, 7473748, 8790708, 9342185, 10988385, 11210622, 14651180, 14947496, 17581416, 18684370, 21976770, 22421244, 28026555, 29302360, 37368740, 43953540, 44842488, 56053110, 74737480, 87907080, 112106220, 166290893, 224212440, 332581786, 498872679, 665163572, 831454465, 997745358, 1330327144, 1662908930, 1995490716, 2494363395, 3325817860, 3990981432, 4988726790, 6651635720, 9977453580, 19954907160]

約数ペア:

[(1, 19954907160), (2, 9977453580), (3, 6651635720), (4, 4988726790), (5, 3990981432), (6, 3325817860), (8, 2494363395), (10, 1995490716), (12, 1662908930), (15, 1330327144), (20, 997745358), (24, 831454465), (30, 665163572), (40, 498872679), (60, 332581786), (89, 224212440), (120, 166290893), (178, 112106220), (227, 87907080), (267, 74737480), (356, 56053110), (445, 44842488), (454, 43953540), (534, 37368740), (681, 29302360), (712, 28026555), (890, 22421244), (908, 21976770), (1068, 18684370), (1135, 17581416), (1335, 14947496), (1362, 14651180), (1780, 11210622), (1816, 10988385), (2136, 9342185), (2270, 8790708), (2670, 7473748), (2724, 7325590), (3405, 5860472), (3560, 5605311), (4540, 4395354), (5340, 3736874), (5448, 3662795), (6810, 2930236), (8231, 2424360), (9080, 2197677), (10680, 1868437), (13620, 1465118), (16462, 1212180), (20203, 987720), (24693, 808120), (27240, 732559), (32924, 606090), (40406, 493860), (41155, 484872), (49386, 404060), (60609, 329240), (65848, 303045), (80812, 246930), (82310, 242436), (98772, 202030), (101015, 197544), (121218, 164620), (123465, 161624)]