15421920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 51846480

約数和(自身を除く): 36424560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 89, 95, 96, 114, 120, 152, 160, 178, 190, 228, 240, 267, 285, 304, 356, 361, 380, 445, 456, 480, 534, 570, 608, 712, 722, 760, 890, 912, 1068, 1083, 1140, 1335, 1424, 1444, 1520, 1691, 1780, 1805, 1824, 2136, 2166, 2280, 2670, 2848, 2888, 3040, 3382, 3560, 3610, 4272, 4332, 4560, 5073, 5340, 5415, 5776, 6764, 7120, 7220, 8455, 8544, 8664, 9120, 10146, 10680, 10830, 11552, 13528, 14240, 14440, 16910, 17328, 20292, 21360, 21660, 25365, 27056, 28880, 32129, 33820, 34656, 40584, 42720, 43320, 50730, 54112, 57760, 64258, 67640, 81168, 86640, 96387, 101460, 128516, 135280, 160645, 162336, 173280, 192774, 202920, 257032, 270560, 321290, 385548, 405840, 481935, 514064, 642580, 771096, 811680, 963870, 1028128, 1285160, 1542192, 1927740, 2570320, 3084384, 3855480, 5140640, 7710960, 15421920]

約数ペア:

[(1, 15421920), (2, 7710960), (3, 5140640), (4, 3855480), (5, 3084384), (6, 2570320), (8, 1927740), (10, 1542192), (12, 1285160), (15, 1028128), (16, 963870), (19, 811680), (20, 771096), (24, 642580), (30, 514064), (32, 481935), (38, 405840), (40, 385548), (48, 321290), (57, 270560), (60, 257032), (76, 202920), (80, 192774), (89, 173280), (95, 162336), (96, 160645), (114, 135280), (120, 128516), (152, 101460), (160, 96387), (178, 86640), (190, 81168), (228, 67640), (240, 64258), (267, 57760), (285, 54112), (304, 50730), (356, 43320), (361, 42720), (380, 40584), (445, 34656), (456, 33820), (480, 32129), (534, 28880), (570, 27056), (608, 25365), (712, 21660), (722, 21360), (760, 20292), (890, 17328), (912, 16910), (1068, 14440), (1083, 14240), (1140, 13528), (1335, 11552), (1424, 10830), (1444, 10680), (1520, 10146), (1691, 9120), (1780, 8664), (1805, 8544), (1824, 8455), (2136, 7220), (2166, 7120), (2280, 6764), (2670, 5776), (2848, 5415), (2888, 5340), (3040, 5073), (3382, 4560), (3560, 4332), (3610, 4272)]