28900560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 160

約数和(自身を含む): 98743680

約数和(自身を除く): 69843120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 59, 60, 65, 78, 80, 104, 118, 120, 130, 156, 157, 177, 195, 208, 236, 240, 260, 295, 312, 314, 354, 390, 471, 472, 520, 590, 624, 628, 708, 767, 780, 785, 885, 942, 944, 1040, 1180, 1256, 1416, 1534, 1560, 1570, 1770, 1884, 2041, 2301, 2355, 2360, 2512, 2832, 3068, 3120, 3140, 3540, 3768, 3835, 4082, 4602, 4710, 4720, 6123, 6136, 6280, 7080, 7536, 7670, 8164, 9204, 9263, 9420, 10205, 11505, 12246, 12272, 12560, 14160, 15340, 16328, 18408, 18526, 18840, 20410, 23010, 24492, 27789, 30615, 30680, 32656, 36816, 37052, 37680, 40820, 46020, 46315, 48984, 55578, 61230, 61360, 74104, 81640, 92040, 92630, 97968, 111156, 120419, 122460, 138945, 148208, 163280, 184080, 185260, 222312, 240838, 244920, 277890, 361257, 370520, 444624, 481676, 489840, 555780, 602095, 722514, 741040, 963352, 1111560, 1204190, 1445028, 1806285, 1926704, 2223120, 2408380, 2890056, 3612570, 4816760, 5780112, 7225140, 9633520, 14450280, 28900560]

約数ペア:

[(1, 28900560), (2, 14450280), (3, 9633520), (4, 7225140), (5, 5780112), (6, 4816760), (8, 3612570), (10, 2890056), (12, 2408380), (13, 2223120), (15, 1926704), (16, 1806285), (20, 1445028), (24, 1204190), (26, 1111560), (30, 963352), (39, 741040), (40, 722514), (48, 602095), (52, 555780), (59, 489840), (60, 481676), (65, 444624), (78, 370520), (80, 361257), (104, 277890), (118, 244920), (120, 240838), (130, 222312), (156, 185260), (157, 184080), (177, 163280), (195, 148208), (208, 138945), (236, 122460), (240, 120419), (260, 111156), (295, 97968), (312, 92630), (314, 92040), (354, 81640), (390, 74104), (471, 61360), (472, 61230), (520, 55578), (590, 48984), (624, 46315), (628, 46020), (708, 40820), (767, 37680), (780, 37052), (785, 36816), (885, 32656), (942, 30680), (944, 30615), (1040, 27789), (1180, 24492), (1256, 23010), (1416, 20410), (1534, 18840), (1560, 18526), (1570, 18408), (1770, 16328), (1884, 15340), (2041, 14160), (2301, 12560), (2355, 12272), (2360, 12246), (2512, 11505), (2832, 10205), (3068, 9420), (3120, 9263), (3140, 9204), (3540, 8164), (3768, 7670), (3835, 7536), (4082, 7080), (4602, 6280), (4710, 6136), (4720, 6123)]