13312640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 128

約数和(自身を含む): 36426240

約数和(自身を除く): 23113600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 61, 62, 64, 80, 88, 110, 122, 124, 128, 155, 160, 176, 220, 244, 248, 305, 310, 320, 341, 352, 440, 488, 496, 610, 620, 640, 671, 682, 704, 880, 976, 992, 1220, 1240, 1342, 1364, 1408, 1705, 1760, 1891, 1952, 1984, 2440, 2480, 2684, 2728, 3355, 3410, 3520, 3782, 3904, 3968, 4880, 4960, 5368, 5456, 6710, 6820, 7040, 7564, 7808, 9455, 9760, 9920, 10736, 10912, 13420, 13640, 15128, 18910, 19520, 19840, 20801, 21472, 21824, 26840, 27280, 30256, 37820, 39040, 41602, 42944, 43648, 53680, 54560, 60512, 75640, 83204, 85888, 104005, 107360, 109120, 121024, 151280, 166408, 208010, 214720, 218240, 242048, 302560, 332816, 416020, 429440, 605120, 665632, 832040, 1210240, 1331264, 1664080, 2662528, 3328160, 6656320, 13312640]

約数ペア:

[(1, 13312640), (2, 6656320), (4, 3328160), (5, 2662528), (8, 1664080), (10, 1331264), (11, 1210240), (16, 832040), (20, 665632), (22, 605120), (31, 429440), (32, 416020), (40, 332816), (44, 302560), (55, 242048), (61, 218240), (62, 214720), (64, 208010), (80, 166408), (88, 151280), (110, 121024), (122, 109120), (124, 107360), (128, 104005), (155, 85888), (160, 83204), (176, 75640), (220, 60512), (244, 54560), (248, 53680), (305, 43648), (310, 42944), (320, 41602), (341, 39040), (352, 37820), (440, 30256), (488, 27280), (496, 26840), (610, 21824), (620, 21472), (640, 20801), (671, 19840), (682, 19520), (704, 18910), (880, 15128), (976, 13640), (992, 13420), (1220, 10912), (1240, 10736), (1342, 9920), (1364, 9760), (1408, 9455), (1705, 7808), (1760, 7564), (1891, 7040), (1952, 6820), (1984, 6710), (2440, 5456), (2480, 5368), (2684, 4960), (2728, 4880), (3355, 3968), (3410, 3904), (3520, 3782)]