2123450120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:759

約数の個数: 128

約数和(自身を含む): 5344444800

約数和(自身を除く): 3220994680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 157, 220, 236, 295, 314, 440, 472, 521, 590, 628, 649, 785, 1042, 1180, 1256, 1298, 1570, 1727, 2084, 2360, 2596, 2605, 3140, 3245, 3454, 4168, 5192, 5210, 5731, 6280, 6490, 6908, 8635, 9263, 10420, 11462, 12980, 13816, 17270, 18526, 20840, 22924, 25960, 28655, 30739, 34540, 37052, 45848, 46315, 57310, 61478, 69080, 74104, 81797, 92630, 101893, 114620, 122956, 153695, 163594, 185260, 203786, 229240, 245912, 307390, 327188, 338129, 370520, 407572, 408985, 509465, 614780, 654376, 676258, 815144, 817970, 899767, 1018930, 1229560, 1352516, 1635940, 1690645, 1799534, 2037860, 2705032, 3271880, 3381290, 3599068, 4075720, 4498835, 4826023, 6762580, 7198136, 8997670, 9652046, 13525160, 17995340, 19304092, 24130115, 35990680, 38608184, 48260230, 53086253, 96520460, 106172506, 193040920, 212345012, 265431265, 424690024, 530862530, 1061725060, 2123450120]

約数ペア:

[(1, 2123450120), (2, 1061725060), (4, 530862530), (5, 424690024), (8, 265431265), (10, 212345012), (11, 193040920), (20, 106172506), (22, 96520460), (40, 53086253), (44, 48260230), (55, 38608184), (59, 35990680), (88, 24130115), (110, 19304092), (118, 17995340), (157, 13525160), (220, 9652046), (236, 8997670), (295, 7198136), (314, 6762580), (440, 4826023), (472, 4498835), (521, 4075720), (590, 3599068), (628, 3381290), (649, 3271880), (785, 2705032), (1042, 2037860), (1180, 1799534), (1256, 1690645), (1298, 1635940), (1570, 1352516), (1727, 1229560), (2084, 1018930), (2360, 899767), (2596, 817970), (2605, 815144), (3140, 676258), (3245, 654376), (3454, 614780), (4168, 509465), (5192, 408985), (5210, 407572), (5731, 370520), (6280, 338129), (6490, 327188), (6908, 307390), (8635, 245912), (9263, 229240), (10420, 203786), (11462, 185260), (12980, 163594), (13816, 153695), (17270, 122956), (18526, 114620), (20840, 101893), (22924, 92630), (25960, 81797), (28655, 74104), (30739, 69080), (34540, 61478), (37052, 57310), (45848, 46315)]