165954160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1202

約数の個数: 80

約数和(自身を含む): 405188352

約数和(自身を除く): 239234192

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, 1097, 1220, 1240, 1891, 2194, 2440, 2480, 3782, 4388, 4880, 5485, 7564, 8776, 9455, 10970, 15128, 17552, 18910, 21940, 30256, 34007, 37820, 43880, 66917, 68014, 75640, 87760, 133834, 136028, 151280, 170035, 267668, 272056, 334585, 340070, 535336, 544112, 669170, 680140, 1070672, 1338340, 1360280, 2074427, 2676680, 2720560, 4148854, 5353360, 8297708, 10372135, 16595416, 20744270, 33190832, 41488540, 82977080, 165954160]

約数ペア:

[(1, 165954160), (2, 82977080), (4, 41488540), (5, 33190832), (8, 20744270), (10, 16595416), (16, 10372135), (20, 8297708), (31, 5353360), (40, 4148854), (61, 2720560), (62, 2676680), (80, 2074427), (122, 1360280), (124, 1338340), (155, 1070672), (244, 680140), (248, 669170), (305, 544112), (310, 535336), (488, 340070), (496, 334585), (610, 272056), (620, 267668), (976, 170035), (1097, 151280), (1220, 136028), (1240, 133834), (1891, 87760), (2194, 75640), (2440, 68014), (2480, 66917), (3782, 43880), (4388, 37820), (4880, 34007), (5485, 30256), (7564, 21940), (8776, 18910), (9455, 17552), (10970, 15128)]