1980829120

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{21419}}^1$

素因数の和:21470

約数の個数: 84

約数和(自身を含む): 5010866280

約数和(自身を除く): 3030037160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 289, 320, 340, 544, 578, 680, 1088, 1156, 1360, 1445, 2312, 2720, 2890, 4624, 5440, 5780, 9248, 11560, 18496, 21419, 23120, 42838, 46240, 85676, 92480, 107095, 171352, 214190, 342704, 364123, 428380, 685408, 728246, 856760, 1370816, 1456492, 1713520, 1820615, 2912984, 3427040, 3641230, 5825968, 6190091, 6854080, 7282460, 11651936, 12380182, 14564920, 23303872, 24760364, 29129840, 30950455, 49520728, 58259680, 61900910, 99041456, 116519360, 123801820, 198082912, 247603640, 396165824, 495207280, 990414560, 1980829120]

約数ペア:

[(1, 1980829120), (2, 990414560), (4, 495207280), (5, 396165824), (8, 247603640), (10, 198082912), (16, 123801820), (17, 116519360), (20, 99041456), (32, 61900910), (34, 58259680), (40, 49520728), (64, 30950455), (68, 29129840), (80, 24760364), (85, 23303872), (136, 14564920), (160, 12380182), (170, 11651936), (272, 7282460), (289, 6854080), (320, 6190091), (340, 5825968), (544, 3641230), (578, 3427040), (680, 2912984), (1088, 1820615), (1156, 1713520), (1360, 1456492), (1445, 1370816), (2312, 856760), (2720, 728246), (2890, 685408), (4624, 428380), (5440, 364123), (5780, 342704), (9248, 214190), (11560, 171352), (18496, 107095), (21419, 92480), (23120, 85676), (42838, 46240)]