8440740

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:72

約数の個数: 288

約数和(自身を含む): 34473600

約数和(自身を除く): 26032860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 29, 30, 33, 35, 36, 42, 44, 45, 49, 54, 55, 58, 60, 63, 66, 70, 77, 84, 87, 90, 98, 99, 105, 108, 110, 116, 126, 132, 135, 140, 145, 147, 154, 165, 174, 180, 189, 196, 198, 203, 210, 220, 231, 245, 252, 261, 270, 290, 294, 297, 308, 315, 319, 330, 348, 378, 385, 396, 406, 420, 435, 441, 462, 490, 495, 522, 539, 540, 580, 588, 594, 609, 630, 638, 660, 693, 735, 756, 770, 783, 812, 870, 882, 924, 945, 957, 980, 990, 1015, 1044, 1078, 1155, 1188, 1218, 1260, 1276, 1305, 1323, 1386, 1421, 1470, 1485, 1540, 1566, 1595, 1617, 1740, 1764, 1827, 1890, 1914, 1980, 2030, 2079, 2156, 2205, 2233, 2310, 2436, 2610, 2646, 2695, 2772, 2842, 2871, 2940, 2970, 3045, 3132, 3190, 3234, 3465, 3654, 3780, 3828, 3915, 4060, 4158, 4263, 4410, 4466, 4620, 4785, 4851, 5220, 5292, 5390, 5481, 5684, 5742, 5940, 6090, 6380, 6468, 6615, 6699, 6930, 7105, 7308, 7830, 8085, 8316, 8526, 8613, 8820, 8932, 9135, 9570, 9702, 10395, 10780, 10962, 11165, 11484, 12180, 12789, 13230, 13398, 13860, 14210, 14355, 14553, 15631, 15660, 16170, 17052, 17226, 18270, 19140, 19404, 20097, 20790, 21315, 21924, 22330, 24255, 25578, 26460, 26796, 27405, 28420, 28710, 29106, 31262, 32340, 33495, 34452, 36540, 38367, 40194, 41580, 42630, 43065, 44660, 46893, 48510, 51156, 54810, 57420, 58212, 60291, 62524, 63945, 66990, 72765, 76734, 78155, 80388, 85260, 86130, 93786, 97020, 100485, 109620, 120582, 127890, 133980, 140679, 145530, 153468, 156310, 172260, 187572, 191835, 200970, 234465, 241164, 255780, 281358, 291060, 301455, 312620, 383670, 401940, 422037, 468930, 562716, 602910, 703395, 767340, 844074, 937860, 1205820, 1406790, 1688148, 2110185, 2813580, 4220370, 8440740]

約数ペア:

[(1, 8440740), (2, 4220370), (3, 2813580), (4, 2110185), (5, 1688148), (6, 1406790), (7, 1205820), (9, 937860), (10, 844074), (11, 767340), (12, 703395), (14, 602910), (15, 562716), (18, 468930), (20, 422037), (21, 401940), (22, 383670), (27, 312620), (28, 301455), (29, 291060), (30, 281358), (33, 255780), (35, 241164), (36, 234465), (42, 200970), (44, 191835), (45, 187572), (49, 172260), (54, 156310), (55, 153468), (58, 145530), (60, 140679), (63, 133980), (66, 127890), (70, 120582), (77, 109620), (84, 100485), (87, 97020), (90, 93786), (98, 86130), (99, 85260), (105, 80388), (108, 78155), (110, 76734), (116, 72765), (126, 66990), (132, 63945), (135, 62524), (140, 60291), (145, 58212), (147, 57420), (154, 54810), (165, 51156), (174, 48510), (180, 46893), (189, 44660), (196, 43065), (198, 42630), (203, 41580), (210, 40194), (220, 38367), (231, 36540), (245, 34452), (252, 33495), (261, 32340), (270, 31262), (290, 29106), (294, 28710), (297, 28420), (308, 27405), (315, 26796), (319, 26460), (330, 25578), (348, 24255), (378, 22330), (385, 21924), (396, 21315), (406, 20790), (420, 20097), (435, 19404), (441, 19140), (462, 18270), (490, 17226), (495, 17052), (522, 16170), (539, 15660), (540, 15631), (580, 14553), (588, 14355), (594, 14210), (609, 13860), (630, 13398), (638, 13230), (660, 12789), (693, 12180), (735, 11484), (756, 11165), (770, 10962), (783, 10780), (812, 10395), (870, 9702), (882, 9570), (924, 9135), (945, 8932), (957, 8820), (980, 8613), (990, 8526), (1015, 8316), (1044, 8085), (1078, 7830), (1155, 7308), (1188, 7105), (1218, 6930), (1260, 6699), (1276, 6615), (1305, 6468), (1323, 6380), (1386, 6090), (1421, 5940), (1470, 5742), (1485, 5684), (1540, 5481), (1566, 5390), (1595, 5292), (1617, 5220), (1740, 4851), (1764, 4785), (1827, 4620), (1890, 4466), (1914, 4410), (1980, 4263), (2030, 4158), (2079, 4060), (2156, 3915), (2205, 3828), (2233, 3780), (2310, 3654), (2436, 3465), (2610, 3234), (2646, 3190), (2695, 3132), (2772, 3045), (2842, 2970), (2871, 2940)]