1018980720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19387}}^1$

素因数の和:19479

約数の個数: 120

約数和(自身を含む): 3469133616

約数和(自身を除く): 2450152896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 180, 219, 240, 292, 360, 365, 438, 584, 657, 720, 730, 876, 1095, 1168, 1314, 1460, 1752, 2190, 2628, 2920, 3285, 3504, 4380, 5256, 5840, 6570, 8760, 10512, 13140, 17520, 19387, 26280, 38774, 52560, 58161, 77548, 96935, 116322, 155096, 174483, 193870, 232644, 290805, 310192, 348966, 387740, 465288, 581610, 697932, 775480, 872415, 930576, 1163220, 1395864, 1415251, 1550960, 1744830, 2326440, 2791728, 2830502, 3489660, 4245753, 4652880, 5661004, 6979320, 7076255, 8491506, 11322008, 12737259, 13958640, 14152510, 16983012, 21228765, 22644016, 25474518, 28305020, 33966024, 42457530, 50949036, 56610040, 63686295, 67932048, 84915060, 101898072, 113220080, 127372590, 169830120, 203796144, 254745180, 339660240, 509490360, 1018980720]

約数ペア:

[(1, 1018980720), (2, 509490360), (3, 339660240), (4, 254745180), (5, 203796144), (6, 169830120), (8, 127372590), (9, 113220080), (10, 101898072), (12, 84915060), (15, 67932048), (16, 63686295), (18, 56610040), (20, 50949036), (24, 42457530), (30, 33966024), (36, 28305020), (40, 25474518), (45, 22644016), (48, 21228765), (60, 16983012), (72, 14152510), (73, 13958640), (80, 12737259), (90, 11322008), (120, 8491506), (144, 7076255), (146, 6979320), (180, 5661004), (219, 4652880), (240, 4245753), (292, 3489660), (360, 2830502), (365, 2791728), (438, 2326440), (584, 1744830), (657, 1550960), (720, 1415251), (730, 1395864), (876, 1163220), (1095, 930576), (1168, 872415), (1314, 775480), (1460, 697932), (1752, 581610), (2190, 465288), (2628, 387740), (2920, 348966), (3285, 310192), (3504, 290805), (4380, 232644), (5256, 193870), (5840, 174483), (6570, 155096), (8760, 116322), (10512, 96935), (13140, 77548), (17520, 58161), (19387, 52560), (26280, 38774)]