2440358440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{3221}}^1$

素因数の和:3323

約数の個数: 128

約数和(自身を含む): 6235729920

約数和(自身を除く): 3795371480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 47, 52, 62, 65, 94, 104, 124, 130, 155, 188, 235, 248, 260, 310, 376, 403, 470, 520, 611, 620, 806, 940, 1222, 1240, 1457, 1612, 1880, 2015, 2444, 2914, 3055, 3221, 3224, 4030, 4888, 5828, 6110, 6442, 7285, 8060, 11656, 12220, 12884, 14570, 16105, 16120, 18941, 24440, 25768, 29140, 32210, 37882, 41873, 58280, 64420, 75764, 83746, 94705, 99851, 128840, 151387, 151528, 167492, 189410, 199702, 209365, 302774, 334984, 378820, 399404, 418730, 499255, 605548, 756935, 757640, 798808, 837460, 998510, 1211096, 1298063, 1513870, 1674920, 1968031, 1997020, 2596126, 3027740, 3936062, 3994040, 4692997, 5192252, 6055480, 6490315, 7872124, 9385994, 9840155, 10384504, 12980630, 15744248, 18771988, 19680310, 23464985, 25961260, 37543976, 39360620, 46929970, 51922520, 61008961, 78721240, 93859940, 122017922, 187719880, 244035844, 305044805, 488071688, 610089610, 1220179220, 2440358440]

約数ペア:

[(1, 2440358440), (2, 1220179220), (4, 610089610), (5, 488071688), (8, 305044805), (10, 244035844), (13, 187719880), (20, 122017922), (26, 93859940), (31, 78721240), (40, 61008961), (47, 51922520), (52, 46929970), (62, 39360620), (65, 37543976), (94, 25961260), (104, 23464985), (124, 19680310), (130, 18771988), (155, 15744248), (188, 12980630), (235, 10384504), (248, 9840155), (260, 9385994), (310, 7872124), (376, 6490315), (403, 6055480), (470, 5192252), (520, 4692997), (611, 3994040), (620, 3936062), (806, 3027740), (940, 2596126), (1222, 1997020), (1240, 1968031), (1457, 1674920), (1612, 1513870), (1880, 1298063), (2015, 1211096), (2444, 998510), (2914, 837460), (3055, 798808), (3221, 757640), (3224, 756935), (4030, 605548), (4888, 499255), (5828, 418730), (6110, 399404), (6442, 378820), (7285, 334984), (8060, 302774), (11656, 209365), (12220, 199702), (12884, 189410), (14570, 167492), (16105, 151528), (16120, 151387), (18941, 128840), (24440, 99851), (25768, 94705), (29140, 83746), (32210, 75764), (37882, 64420), (41873, 58280)]