12380458920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{8849}}^1$

素因数の和:9083

約数の個数: 128

約数和(自身を含む): 37849680000

約数和(自身を除く): 25469221080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 131, 178, 262, 267, 356, 393, 445, 524, 534, 655, 712, 786, 890, 1048, 1068, 1310, 1335, 1572, 1780, 1965, 2136, 2620, 2670, 3144, 3560, 3930, 5240, 5340, 7860, 8849, 10680, 11659, 15720, 17698, 23318, 26547, 34977, 35396, 44245, 46636, 53094, 58295, 69954, 70792, 88490, 93272, 106188, 116590, 132735, 139908, 174885, 176980, 212376, 233180, 265470, 279816, 349770, 353960, 466360, 530940, 699540, 787561, 1061880, 1159219, 1399080, 1575122, 2318438, 2362683, 3150244, 3477657, 3937805, 4636876, 4725366, 5796095, 6300488, 6955314, 7875610, 9273752, 9450732, 11592190, 11813415, 13910628, 15751220, 17388285, 18901464, 23184380, 23626830, 27821256, 31502440, 34776570, 46368760, 47253660, 69553140, 94507320, 103170491, 139106280, 206340982, 309511473, 412681964, 515852455, 619022946, 825363928, 1031704910, 1238045892, 1547557365, 2063409820, 2476091784, 3095114730, 4126819640, 6190229460, 12380458920]

約数ペア:

[(1, 12380458920), (2, 6190229460), (3, 4126819640), (4, 3095114730), (5, 2476091784), (6, 2063409820), (8, 1547557365), (10, 1238045892), (12, 1031704910), (15, 825363928), (20, 619022946), (24, 515852455), (30, 412681964), (40, 309511473), (60, 206340982), (89, 139106280), (120, 103170491), (131, 94507320), (178, 69553140), (262, 47253660), (267, 46368760), (356, 34776570), (393, 31502440), (445, 27821256), (524, 23626830), (534, 23184380), (655, 18901464), (712, 17388285), (786, 15751220), (890, 13910628), (1048, 11813415), (1068, 11592190), (1310, 9450732), (1335, 9273752), (1572, 7875610), (1780, 6955314), (1965, 6300488), (2136, 5796095), (2620, 4725366), (2670, 4636876), (3144, 3937805), (3560, 3477657), (3930, 3150244), (5240, 2362683), (5340, 2318438), (7860, 1575122), (8849, 1399080), (10680, 1159219), (11659, 1061880), (15720, 787561), (17698, 699540), (23318, 530940), (26547, 466360), (34977, 353960), (35396, 349770), (44245, 279816), (46636, 265470), (53094, 233180), (58295, 212376), (69954, 176980), (70792, 174885), (88490, 139908), (93272, 132735), (106188, 116590)]