2660219120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{757}}^1$

素因数の和:923

約数の個数: 160

約数和(自身を含む): 6947888640

約数和(自身を除く): 4287669520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 109, 124, 130, 155, 208, 218, 248, 260, 310, 403, 436, 496, 520, 545, 620, 757, 806, 872, 1040, 1090, 1240, 1417, 1514, 1612, 1744, 2015, 2180, 2480, 2834, 3028, 3224, 3379, 3785, 4030, 4360, 5668, 6056, 6448, 6758, 7085, 7570, 8060, 8720, 9841, 11336, 12112, 13516, 14170, 15140, 16120, 16895, 19682, 22672, 23467, 27032, 28340, 30280, 32240, 33790, 39364, 43927, 46934, 49205, 54064, 56680, 60560, 67580, 78728, 82513, 87854, 93868, 98410, 113360, 117335, 135160, 157456, 165026, 175708, 187736, 196820, 219635, 234670, 270320, 305071, 330052, 351416, 375472, 393640, 412565, 439270, 469340, 610142, 660104, 702832, 787280, 825130, 878540, 938680, 1072669, 1220284, 1320208, 1525355, 1650260, 1757080, 1877360, 2145338, 2440568, 2557903, 3050710, 3300520, 3514160, 4290676, 4881136, 5115806, 5363345, 6101420, 6601040, 8581352, 10231612, 10726690, 12202840, 12789515, 17162704, 20463224, 21453380, 24405680, 25579030, 33252739, 40926448, 42906760, 51158060, 66505478, 85813520, 102316120, 133010956, 166263695, 204632240, 266021912, 332527390, 532043824, 665054780, 1330109560, 2660219120]

約数ペア:

[(1, 2660219120), (2, 1330109560), (4, 665054780), (5, 532043824), (8, 332527390), (10, 266021912), (13, 204632240), (16, 166263695), (20, 133010956), (26, 102316120), (31, 85813520), (40, 66505478), (52, 51158060), (62, 42906760), (65, 40926448), (80, 33252739), (104, 25579030), (109, 24405680), (124, 21453380), (130, 20463224), (155, 17162704), (208, 12789515), (218, 12202840), (248, 10726690), (260, 10231612), (310, 8581352), (403, 6601040), (436, 6101420), (496, 5363345), (520, 5115806), (545, 4881136), (620, 4290676), (757, 3514160), (806, 3300520), (872, 3050710), (1040, 2557903), (1090, 2440568), (1240, 2145338), (1417, 1877360), (1514, 1757080), (1612, 1650260), (1744, 1525355), (2015, 1320208), (2180, 1220284), (2480, 1072669), (2834, 938680), (3028, 878540), (3224, 825130), (3379, 787280), (3785, 702832), (4030, 660104), (4360, 610142), (5668, 469340), (6056, 439270), (6448, 412565), (6758, 393640), (7085, 375472), (7570, 351416), (8060, 330052), (8720, 305071), (9841, 270320), (11336, 234670), (12112, 219635), (13516, 196820), (14170, 187736), (15140, 175708), (16120, 165026), (16895, 157456), (19682, 135160), (22672, 117335), (23467, 113360), (27032, 98410), (28340, 93868), (30280, 87854), (32240, 82513), (33790, 78728), (39364, 67580), (43927, 60560), (46934, 56680), (49205, 54064)]