28208160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1071

約数の個数: 144

約数和(自身を含む): 101424960

約数和(自身を除く): 73216800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1031, 1140, 1368, 1440, 1520, 1710, 1824, 2062, 2280, 2736, 3040, 3093, 3420, 4124, 4560, 5155, 5472, 6186, 6840, 8248, 9120, 9279, 10310, 12372, 13680, 15465, 16496, 18558, 19589, 20620, 24744, 27360, 30930, 32992, 37116, 39178, 41240, 46395, 49488, 58767, 61860, 74232, 78356, 82480, 92790, 97945, 98976, 117534, 123720, 148464, 156712, 164960, 176301, 185580, 195890, 235068, 247440, 293835, 296928, 313424, 352602, 371160, 391780, 470136, 494880, 587670, 626848, 705204, 742320, 783560, 881505, 940272, 1175340, 1410408, 1484640, 1567120, 1763010, 1880544, 2350680, 2820816, 3134240, 3526020, 4701360, 5641632, 7052040, 9402720, 14104080, 28208160]

約数ペア:

[(1, 28208160), (2, 14104080), (3, 9402720), (4, 7052040), (5, 5641632), (6, 4701360), (8, 3526020), (9, 3134240), (10, 2820816), (12, 2350680), (15, 1880544), (16, 1763010), (18, 1567120), (19, 1484640), (20, 1410408), (24, 1175340), (30, 940272), (32, 881505), (36, 783560), (38, 742320), (40, 705204), (45, 626848), (48, 587670), (57, 494880), (60, 470136), (72, 391780), (76, 371160), (80, 352602), (90, 313424), (95, 296928), (96, 293835), (114, 247440), (120, 235068), (144, 195890), (152, 185580), (160, 176301), (171, 164960), (180, 156712), (190, 148464), (228, 123720), (240, 117534), (285, 98976), (288, 97945), (304, 92790), (342, 82480), (360, 78356), (380, 74232), (456, 61860), (480, 58767), (570, 49488), (608, 46395), (684, 41240), (720, 39178), (760, 37116), (855, 32992), (912, 30930), (1031, 27360), (1140, 24744), (1368, 20620), (1440, 19589), (1520, 18558), (1710, 16496), (1824, 15465), (2062, 13680), (2280, 12372), (2736, 10310), (3040, 9279), (3093, 9120), (3420, 8248), (4124, 6840), (4560, 6186), (5155, 5472)]