28952880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{997}}^1$

素因数の和:1035

約数の個数: 120

約数和(自身を含む): 98754096

約数和(自身を除く): 69801216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 726, 880, 968, 997, 1210, 1320, 1452, 1815, 1936, 1994, 2420, 2640, 2904, 2991, 3630, 3988, 4840, 4985, 5808, 5982, 7260, 7976, 9680, 9970, 10967, 11964, 14520, 14955, 15952, 19940, 21934, 23928, 29040, 29910, 32901, 39880, 43868, 47856, 54835, 59820, 65802, 79760, 87736, 109670, 119640, 120637, 131604, 164505, 175472, 219340, 239280, 241274, 263208, 329010, 361911, 438680, 482548, 526416, 603185, 658020, 723822, 877360, 965096, 1206370, 1316040, 1447644, 1809555, 1930192, 2412740, 2632080, 2895288, 3619110, 4825480, 5790576, 7238220, 9650960, 14476440, 28952880]

約数ペア:

[(1, 28952880), (2, 14476440), (3, 9650960), (4, 7238220), (5, 5790576), (6, 4825480), (8, 3619110), (10, 2895288), (11, 2632080), (12, 2412740), (15, 1930192), (16, 1809555), (20, 1447644), (22, 1316040), (24, 1206370), (30, 965096), (33, 877360), (40, 723822), (44, 658020), (48, 603185), (55, 526416), (60, 482548), (66, 438680), (80, 361911), (88, 329010), (110, 263208), (120, 241274), (121, 239280), (132, 219340), (165, 175472), (176, 164505), (220, 131604), (240, 120637), (242, 119640), (264, 109670), (330, 87736), (363, 79760), (440, 65802), (484, 59820), (528, 54835), (605, 47856), (660, 43868), (726, 39880), (880, 32901), (968, 29910), (997, 29040), (1210, 23928), (1320, 21934), (1452, 19940), (1815, 15952), (1936, 14955), (1994, 14520), (2420, 11964), (2640, 10967), (2904, 9970), (2991, 9680), (3630, 7976), (3988, 7260), (4840, 5982), (4985, 5808)]