68162800

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:311

約数の個数: 120

約数和(自身を含む): 177131520

約数和(自身を除く): 108968720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 40, 46, 50, 62, 80, 92, 100, 115, 124, 155, 184, 200, 230, 239, 248, 310, 368, 400, 460, 478, 496, 575, 620, 713, 775, 920, 956, 1150, 1195, 1240, 1426, 1550, 1840, 1912, 2300, 2390, 2480, 2852, 3100, 3565, 3824, 4600, 4780, 5497, 5704, 5975, 6200, 7130, 7409, 9200, 9560, 10994, 11408, 11950, 12400, 14260, 14818, 17825, 19120, 21988, 23900, 27485, 28520, 29636, 35650, 37045, 43976, 47800, 54970, 57040, 59272, 71300, 74090, 87952, 95600, 109940, 118544, 137425, 142600, 148180, 170407, 185225, 219880, 274850, 285200, 296360, 340814, 370450, 439760, 549700, 592720, 681628, 740900, 852035, 1099400, 1363256, 1481800, 1704070, 2198800, 2726512, 2963600, 3408140, 4260175, 6816280, 8520350, 13632560, 17040700, 34081400, 68162800]

約数ペア:

[(1, 68162800), (2, 34081400), (4, 17040700), (5, 13632560), (8, 8520350), (10, 6816280), (16, 4260175), (20, 3408140), (23, 2963600), (25, 2726512), (31, 2198800), (40, 1704070), (46, 1481800), (50, 1363256), (62, 1099400), (80, 852035), (92, 740900), (100, 681628), (115, 592720), (124, 549700), (155, 439760), (184, 370450), (200, 340814), (230, 296360), (239, 285200), (248, 274850), (310, 219880), (368, 185225), (400, 170407), (460, 148180), (478, 142600), (496, 137425), (575, 118544), (620, 109940), (713, 95600), (775, 87952), (920, 74090), (956, 71300), (1150, 59272), (1195, 57040), (1240, 54970), (1426, 47800), (1550, 43976), (1840, 37045), (1912, 35650), (2300, 29636), (2390, 28520), (2480, 27485), (2852, 23900), (3100, 21988), (3565, 19120), (3824, 17825), (4600, 14818), (4780, 14260), (5497, 12400), (5704, 11950), (5975, 11408), (6200, 10994), (7130, 9560), (7409, 9200)]