67995920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^3\times {\mathrm{173}}^1$

素因数の和:237

約数の個数: 80

約数和(自身を含む): 168940080

約数和(自身を除く): 100944160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 173, 272, 289, 340, 346, 578, 680, 692, 865, 1156, 1360, 1384, 1445, 1730, 2312, 2768, 2890, 2941, 3460, 4624, 4913, 5780, 5882, 6920, 9826, 11560, 11764, 13840, 14705, 19652, 23120, 23528, 24565, 29410, 39304, 47056, 49130, 49997, 58820, 78608, 98260, 99994, 117640, 196520, 199988, 235280, 249985, 393040, 399976, 499970, 799952, 849949, 999940, 1699898, 1999880, 3399796, 3999760, 4249745, 6799592, 8499490, 13599184, 16998980, 33997960, 67995920]

約数ペア:

[(1, 67995920), (2, 33997960), (4, 16998980), (5, 13599184), (8, 8499490), (10, 6799592), (16, 4249745), (17, 3999760), (20, 3399796), (34, 1999880), (40, 1699898), (68, 999940), (80, 849949), (85, 799952), (136, 499970), (170, 399976), (173, 393040), (272, 249985), (289, 235280), (340, 199988), (346, 196520), (578, 117640), (680, 99994), (692, 98260), (865, 78608), (1156, 58820), (1360, 49997), (1384, 49130), (1445, 47056), (1730, 39304), (2312, 29410), (2768, 24565), (2890, 23528), (2941, 23120), (3460, 19652), (4624, 14705), (4913, 13840), (5780, 11764), (5882, 11560), (6920, 9826)]