20110440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 69984000

約数和(自身を除く): 49873560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 89, 105, 120, 140, 168, 178, 210, 267, 269, 280, 356, 420, 445, 534, 538, 623, 712, 807, 840, 890, 1068, 1076, 1246, 1335, 1345, 1614, 1780, 1869, 1883, 2136, 2152, 2492, 2670, 2690, 3115, 3228, 3560, 3738, 3766, 4035, 4984, 5340, 5380, 5649, 6230, 6456, 7476, 7532, 8070, 9345, 9415, 10680, 10760, 11298, 12460, 14952, 15064, 16140, 18690, 18830, 22596, 23941, 24920, 28245, 32280, 37380, 37660, 45192, 47882, 56490, 71823, 74760, 75320, 95764, 112980, 119705, 143646, 167587, 191528, 225960, 239410, 287292, 335174, 359115, 478820, 502761, 574584, 670348, 718230, 837935, 957640, 1005522, 1340696, 1436460, 1675870, 2011044, 2513805, 2872920, 3351740, 4022088, 5027610, 6703480, 10055220, 20110440]

約数ペア:

[(1, 20110440), (2, 10055220), (3, 6703480), (4, 5027610), (5, 4022088), (6, 3351740), (7, 2872920), (8, 2513805), (10, 2011044), (12, 1675870), (14, 1436460), (15, 1340696), (20, 1005522), (21, 957640), (24, 837935), (28, 718230), (30, 670348), (35, 574584), (40, 502761), (42, 478820), (56, 359115), (60, 335174), (70, 287292), (84, 239410), (89, 225960), (105, 191528), (120, 167587), (140, 143646), (168, 119705), (178, 112980), (210, 95764), (267, 75320), (269, 74760), (280, 71823), (356, 56490), (420, 47882), (445, 45192), (534, 37660), (538, 37380), (623, 32280), (712, 28245), (807, 24920), (840, 23941), (890, 22596), (1068, 18830), (1076, 18690), (1246, 16140), (1335, 15064), (1345, 14952), (1614, 12460), (1780, 11298), (1869, 10760), (1883, 10680), (2136, 9415), (2152, 9345), (2492, 8070), (2670, 7532), (2690, 7476), (3115, 6456), (3228, 6230), (3560, 5649), (3738, 5380), (3766, 5340), (4035, 4984)]