989757960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{1553}}^1$

素因数の和:1727

約数の個数: 128

約数和(自身を含む): 3061255680

約数和(自身を除く): 2071497720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 113, 120, 141, 188, 226, 235, 282, 339, 376, 452, 470, 564, 565, 678, 705, 904, 940, 1128, 1130, 1356, 1410, 1553, 1695, 1880, 2260, 2712, 2820, 3106, 3390, 4520, 4659, 5311, 5640, 6212, 6780, 7765, 9318, 10622, 12424, 13560, 15530, 15933, 18636, 21244, 23295, 26555, 31060, 31866, 37272, 42488, 46590, 53110, 62120, 63732, 72991, 79665, 93180, 106220, 127464, 145982, 159330, 175489, 186360, 212440, 218973, 291964, 318660, 350978, 364955, 437946, 526467, 583928, 637320, 701956, 729910, 875892, 877445, 1052934, 1094865, 1403912, 1459820, 1751784, 1754890, 2105868, 2189730, 2632335, 2919640, 3509780, 4211736, 4379460, 5264670, 7019560, 8247983, 8758920, 10529340, 16495966, 21058680, 24743949, 32991932, 41239915, 49487898, 65983864, 82479830, 98975796, 123719745, 164959660, 197951592, 247439490, 329919320, 494878980, 989757960]

約数ペア:

[(1, 989757960), (2, 494878980), (3, 329919320), (4, 247439490), (5, 197951592), (6, 164959660), (8, 123719745), (10, 98975796), (12, 82479830), (15, 65983864), (20, 49487898), (24, 41239915), (30, 32991932), (40, 24743949), (47, 21058680), (60, 16495966), (94, 10529340), (113, 8758920), (120, 8247983), (141, 7019560), (188, 5264670), (226, 4379460), (235, 4211736), (282, 3509780), (339, 2919640), (376, 2632335), (452, 2189730), (470, 2105868), (564, 1754890), (565, 1751784), (678, 1459820), (705, 1403912), (904, 1094865), (940, 1052934), (1128, 877445), (1130, 875892), (1356, 729910), (1410, 701956), (1553, 637320), (1695, 583928), (1880, 526467), (2260, 437946), (2712, 364955), (2820, 350978), (3106, 318660), (3390, 291964), (4520, 218973), (4659, 212440), (5311, 186360), (5640, 175489), (6212, 159330), (6780, 145982), (7765, 127464), (9318, 106220), (10622, 93180), (12424, 79665), (13560, 72991), (15530, 63732), (15933, 62120), (18636, 53110), (21244, 46590), (23295, 42488), (26555, 37272), (31060, 31866)]