12351520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 32659200

約数和(自身を除く): 20307680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 239, 272, 304, 323, 340, 380, 478, 544, 608, 646, 680, 760, 956, 1195, 1292, 1360, 1520, 1615, 1912, 2390, 2584, 2720, 3040, 3230, 3824, 4063, 4541, 4780, 5168, 6460, 7648, 8126, 9082, 9560, 10336, 12920, 16252, 18164, 19120, 20315, 22705, 25840, 32504, 36328, 38240, 40630, 45410, 51680, 65008, 72656, 77197, 81260, 90820, 130016, 145312, 154394, 162520, 181640, 308788, 325040, 363280, 385985, 617576, 650080, 726560, 771970, 1235152, 1543940, 2470304, 3087880, 6175760, 12351520]

約数ペア:

[(1, 12351520), (2, 6175760), (4, 3087880), (5, 2470304), (8, 1543940), (10, 1235152), (16, 771970), (17, 726560), (19, 650080), (20, 617576), (32, 385985), (34, 363280), (38, 325040), (40, 308788), (68, 181640), (76, 162520), (80, 154394), (85, 145312), (95, 130016), (136, 90820), (152, 81260), (160, 77197), (170, 72656), (190, 65008), (239, 51680), (272, 45410), (304, 40630), (323, 38240), (340, 36328), (380, 32504), (478, 25840), (544, 22705), (608, 20315), (646, 19120), (680, 18164), (760, 16252), (956, 12920), (1195, 10336), (1292, 9560), (1360, 9082), (1520, 8126), (1615, 7648), (1912, 6460), (2390, 5168), (2584, 4780), (2720, 4541), (3040, 4063), (3230, 3824)]