216179120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1429}}^1$

素因数の和:1534

約数の個数: 80

約数和(自身を含む): 527704320

約数和(自身を除く): 311525200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 488, 496, 610, 620, 976, 1220, 1240, 1429, 1891, 2440, 2480, 2858, 3782, 4880, 5716, 7145, 7564, 9455, 11432, 14290, 15128, 18910, 22864, 28580, 30256, 37820, 44299, 57160, 75640, 87169, 88598, 114320, 151280, 174338, 177196, 221495, 348676, 354392, 435845, 442990, 697352, 708784, 871690, 885980, 1394704, 1743380, 1771960, 2702239, 3486760, 3543920, 5404478, 6973520, 10808956, 13511195, 21617912, 27022390, 43235824, 54044780, 108089560, 216179120]

約数ペア:

[(1, 216179120), (2, 108089560), (4, 54044780), (5, 43235824), (8, 27022390), (10, 21617912), (16, 13511195), (20, 10808956), (31, 6973520), (40, 5404478), (61, 3543920), (62, 3486760), (80, 2702239), (122, 1771960), (124, 1743380), (155, 1394704), (244, 885980), (248, 871690), (305, 708784), (310, 697352), (488, 442990), (496, 435845), (610, 354392), (620, 348676), (976, 221495), (1220, 177196), (1240, 174338), (1429, 151280), (1891, 114320), (2440, 88598), (2480, 87169), (2858, 75640), (3782, 57160), (4880, 44299), (5716, 37820), (7145, 30256), (7564, 28580), (9455, 22864), (11432, 18910), (14290, 15128)]