31109520

素因数分解:

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

素因数の和:114

約数の個数: 160

約数和(自身を含む): 106243200

約数和(自身を除く): 75133680

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, 169, 177, 195, 208, 236, 240, 260, 295, 312, 338, 354, 390, 472, 507, 520, 590, 624, 676, 708, 767, 780, 845, 885, 944, 1014, 1040, 1180, 1352, 1416, 1534, 1560, 1690, 1770, 2028, 2197, 2301, 2360, 2535, 2704, 2832, 3068, 3120, 3380, 3540, 3835, 4056, 4394, 4602, 4720, 5070, 6136, 6591, 6760, 7080, 7670, 8112, 8788, 9204, 9971, 10140, 10985, 11505, 12272, 13182, 13520, 14160, 15340, 17576, 18408, 19942, 20280, 21970, 23010, 26364, 29913, 30680, 32955, 35152, 36816, 39884, 40560, 43940, 46020, 49855, 52728, 59826, 61360, 65910, 79768, 87880, 92040, 99710, 105456, 119652, 129623, 131820, 149565, 159536, 175760, 184080, 199420, 239304, 259246, 263640, 299130, 388869, 398840, 478608, 518492, 527280, 598260, 648115, 777738, 797680, 1036984, 1196520, 1296230, 1555476, 1944345, 2073968, 2393040, 2592460, 3110952, 3888690, 5184920, 6221904, 7777380, 10369840, 15554760, 31109520]

約数ペア:

[(1, 31109520), (2, 15554760), (3, 10369840), (4, 7777380), (5, 6221904), (6, 5184920), (8, 3888690), (10, 3110952), (12, 2592460), (13, 2393040), (15, 2073968), (16, 1944345), (20, 1555476), (24, 1296230), (26, 1196520), (30, 1036984), (39, 797680), (40, 777738), (48, 648115), (52, 598260), (59, 527280), (60, 518492), (65, 478608), (78, 398840), (80, 388869), (104, 299130), (118, 263640), (120, 259246), (130, 239304), (156, 199420), (169, 184080), (177, 175760), (195, 159536), (208, 149565), (236, 131820), (240, 129623), (260, 119652), (295, 105456), (312, 99710), (338, 92040), (354, 87880), (390, 79768), (472, 65910), (507, 61360), (520, 59826), (590, 52728), (624, 49855), (676, 46020), (708, 43940), (767, 40560), (780, 39884), (845, 36816), (885, 35152), (944, 32955), (1014, 30680), (1040, 29913), (1180, 26364), (1352, 23010), (1416, 21970), (1534, 20280), (1560, 19942), (1690, 18408), (1770, 17576), (2028, 15340), (2197, 14160), (2301, 13520), (2360, 13182), (2535, 12272), (2704, 11505), (2832, 10985), (3068, 10140), (3120, 9971), (3380, 9204), (3540, 8788), (3835, 8112), (4056, 7670), (4394, 7080), (4602, 6760), (4720, 6591), (5070, 6136)]