127779520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1230

約数の個数: 112

約数和(自身を含む): 342936576

約数和(自身を除く): 215157056

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 682, 704, 880, 992, 1171, 1240, 1364, 1705, 1760, 1984, 2342, 2480, 2728, 3410, 3520, 4684, 4960, 5456, 5855, 6820, 9368, 9920, 10912, 11710, 12881, 13640, 18736, 21824, 23420, 25762, 27280, 36301, 37472, 46840, 51524, 54560, 64405, 72602, 74944, 93680, 103048, 109120, 128810, 145204, 181505, 187360, 206096, 257620, 290408, 363010, 374720, 399311, 412192, 515240, 580816, 726020, 798622, 824384, 1030480, 1161632, 1452040, 1597244, 1996555, 2060960, 2323264, 2904080, 3194488, 3993110, 4121920, 5808160, 6388976, 7986220, 11616320, 12777952, 15972440, 25555904, 31944880, 63889760, 127779520]

約数ペア:

[(1, 127779520), (2, 63889760), (4, 31944880), (5, 25555904), (8, 15972440), (10, 12777952), (11, 11616320), (16, 7986220), (20, 6388976), (22, 5808160), (31, 4121920), (32, 3993110), (40, 3194488), (44, 2904080), (55, 2323264), (62, 2060960), (64, 1996555), (80, 1597244), (88, 1452040), (110, 1161632), (124, 1030480), (155, 824384), (160, 798622), (176, 726020), (220, 580816), (248, 515240), (310, 412192), (320, 399311), (341, 374720), (352, 363010), (440, 290408), (496, 257620), (620, 206096), (682, 187360), (704, 181505), (880, 145204), (992, 128810), (1171, 109120), (1240, 103048), (1364, 93680), (1705, 74944), (1760, 72602), (1984, 64405), (2342, 54560), (2480, 51524), (2728, 46840), (3410, 37472), (3520, 36301), (4684, 27280), (4960, 25762), (5456, 23420), (5855, 21824), (6820, 18736), (9368, 13640), (9920, 12881), (10912, 11710)]