90654320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 120

約数和(自身を含む): 230739696

約数和(自身を除く): 140085376

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 73, 76, 80, 86, 95, 146, 152, 172, 190, 215, 292, 304, 344, 361, 365, 380, 430, 584, 688, 722, 730, 760, 817, 860, 1168, 1387, 1444, 1460, 1520, 1634, 1720, 1805, 2774, 2888, 2920, 3139, 3268, 3440, 3610, 4085, 5548, 5776, 5840, 6278, 6536, 6935, 7220, 8170, 11096, 12556, 13072, 13870, 14440, 15523, 15695, 16340, 22192, 25112, 26353, 27740, 28880, 31046, 31390, 32680, 50224, 52706, 55480, 59641, 62092, 62780, 65360, 77615, 105412, 110960, 119282, 124184, 125560, 131765, 155230, 210824, 238564, 248368, 251120, 263530, 298205, 310460, 421648, 477128, 527060, 596410, 620920, 954256, 1054120, 1133179, 1192820, 1241840, 2108240, 2266358, 2385640, 4532716, 4771280, 5665895, 9065432, 11331790, 18130864, 22663580, 45327160, 90654320]

約数ペア:

[(1, 90654320), (2, 45327160), (4, 22663580), (5, 18130864), (8, 11331790), (10, 9065432), (16, 5665895), (19, 4771280), (20, 4532716), (38, 2385640), (40, 2266358), (43, 2108240), (73, 1241840), (76, 1192820), (80, 1133179), (86, 1054120), (95, 954256), (146, 620920), (152, 596410), (172, 527060), (190, 477128), (215, 421648), (292, 310460), (304, 298205), (344, 263530), (361, 251120), (365, 248368), (380, 238564), (430, 210824), (584, 155230), (688, 131765), (722, 125560), (730, 124184), (760, 119282), (817, 110960), (860, 105412), (1168, 77615), (1387, 65360), (1444, 62780), (1460, 62092), (1520, 59641), (1634, 55480), (1720, 52706), (1805, 50224), (2774, 32680), (2888, 31390), (2920, 31046), (3139, 28880), (3268, 27740), (3440, 26353), (3610, 25112), (4085, 22192), (5548, 16340), (5776, 15695), (5840, 15523), (6278, 14440), (6536, 13870), (6935, 13072), (7220, 12556), (8170, 11096)]