77655760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10667}}^1$

素因数の和:10700

約数の個数: 80

約数和(自身を含む): 222235776

約数和(自身を除く): 144580016

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 10667, 21334, 42668, 53335, 74669, 85336, 106670, 138671, 149338, 170672, 213340, 277342, 298676, 373345, 426680, 554684, 597352, 693355, 746690, 853360, 970697, 1109368, 1194704, 1386710, 1493380, 1941394, 2218736, 2773420, 2986760, 3882788, 4853485, 5546840, 5973520, 7765576, 9706970, 11093680, 15531152, 19413940, 38827880, 77655760]

約数ペア:

[(1, 77655760), (2, 38827880), (4, 19413940), (5, 15531152), (7, 11093680), (8, 9706970), (10, 7765576), (13, 5973520), (14, 5546840), (16, 4853485), (20, 3882788), (26, 2986760), (28, 2773420), (35, 2218736), (40, 1941394), (52, 1493380), (56, 1386710), (65, 1194704), (70, 1109368), (80, 970697), (91, 853360), (104, 746690), (112, 693355), (130, 597352), (140, 554684), (182, 426680), (208, 373345), (260, 298676), (280, 277342), (364, 213340), (455, 170672), (520, 149338), (560, 138671), (728, 106670), (910, 85336), (1040, 74669), (1456, 53335), (1820, 42668), (3640, 21334), (7280, 10667)]