66827280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21419}}^1$

素因数の和:21448

約数の個数: 80

約数和(自身を含む): 223110720

約数和(自身を除く): 156283440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 21419, 42838, 64257, 85676, 107095, 128514, 171352, 214190, 257028, 278447, 321285, 342704, 428380, 514056, 556894, 642570, 835341, 856760, 1028112, 1113788, 1285140, 1392235, 1670682, 1713520, 2227576, 2570280, 2784470, 3341364, 4176705, 4455152, 5140560, 5568940, 6682728, 8353410, 11137880, 13365456, 16706820, 22275760, 33413640, 66827280]

約数ペア:

[(1, 66827280), (2, 33413640), (3, 22275760), (4, 16706820), (5, 13365456), (6, 11137880), (8, 8353410), (10, 6682728), (12, 5568940), (13, 5140560), (15, 4455152), (16, 4176705), (20, 3341364), (24, 2784470), (26, 2570280), (30, 2227576), (39, 1713520), (40, 1670682), (48, 1392235), (52, 1285140), (60, 1113788), (65, 1028112), (78, 856760), (80, 835341), (104, 642570), (120, 556894), (130, 514056), (156, 428380), (195, 342704), (208, 321285), (240, 278447), (260, 257028), (312, 214190), (390, 171352), (520, 128514), (624, 107095), (780, 85676), (1040, 64257), (1560, 42838), (3120, 21419)]