1386370720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:316

約数の個数: 288

約数和(自身を含む): 4126489920

約数和(自身を除く): 2740119200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 41, 49, 56, 70, 76, 80, 82, 95, 98, 112, 133, 140, 152, 160, 164, 190, 196, 205, 224, 227, 245, 266, 280, 287, 304, 328, 380, 392, 410, 454, 490, 532, 560, 574, 608, 656, 665, 760, 779, 784, 820, 908, 931, 980, 1064, 1120, 1135, 1148, 1312, 1330, 1435, 1520, 1558, 1568, 1589, 1640, 1816, 1862, 1960, 2009, 2128, 2270, 2296, 2660, 2870, 3040, 3116, 3178, 3280, 3632, 3724, 3895, 3920, 4018, 4256, 4313, 4540, 4592, 4655, 5320, 5453, 5740, 6232, 6356, 6560, 7264, 7448, 7790, 7840, 7945, 8036, 8626, 9080, 9184, 9307, 9310, 10045, 10640, 10906, 11123, 11480, 12464, 12712, 14896, 15580, 15890, 16072, 17252, 18160, 18614, 18620, 20090, 21280, 21565, 21812, 22246, 22960, 24928, 25424, 27265, 29792, 30191, 31160, 31780, 32144, 34504, 36320, 37228, 37240, 38171, 40180, 43130, 43624, 44492, 45920, 46535, 50848, 54530, 55615, 60382, 62320, 63560, 64288, 65149, 69008, 74456, 74480, 76342, 80360, 86260, 87248, 88984, 93070, 109060, 111230, 120764, 124640, 127120, 130298, 138016, 148912, 148960, 150955, 152684, 160720, 172520, 174496, 176833, 177968, 186140, 190855, 211337, 218120, 222460, 241528, 254240, 260596, 297824, 301910, 305368, 321440, 325745, 345040, 353666, 355936, 372280, 381710, 422674, 436240, 444920, 456043, 483056, 521192, 603820, 610736, 651490, 690080, 707332, 744560, 763420, 845348, 872480, 884165, 889840, 912086, 966112, 1042384, 1056685, 1207640, 1221472, 1237831, 1302980, 1414664, 1489120, 1526840, 1690696, 1768330, 1779680, 1824172, 2084768, 2113370, 2280215, 2415280, 2475662, 2605960, 2829328, 3053680, 3381392, 3536660, 3648344, 4226740, 4560430, 4830560, 4951324, 5211920, 5658656, 6107360, 6189155, 6762784, 7073320, 7296688, 8453480, 8664817, 9120860, 9902648, 10423840, 12378310, 14146640, 14593376, 16906960, 17329634, 18241720, 19805296, 24756620, 28293280, 33813920, 34659268, 36483440, 39610592, 43324085, 49513240, 69318536, 72966880, 86648170, 99026480, 138637072, 173296340, 198052960, 277274144, 346592680, 693185360, 1386370720]

約数ペア:

[(1, 1386370720), (2, 693185360), (4, 346592680), (5, 277274144), (7, 198052960), (8, 173296340), (10, 138637072), (14, 99026480), (16, 86648170), (19, 72966880), (20, 69318536), (28, 49513240), (32, 43324085), (35, 39610592), (38, 36483440), (40, 34659268), (41, 33813920), (49, 28293280), (56, 24756620), (70, 19805296), (76, 18241720), (80, 17329634), (82, 16906960), (95, 14593376), (98, 14146640), (112, 12378310), (133, 10423840), (140, 9902648), (152, 9120860), (160, 8664817), (164, 8453480), (190, 7296688), (196, 7073320), (205, 6762784), (224, 6189155), (227, 6107360), (245, 5658656), (266, 5211920), (280, 4951324), (287, 4830560), (304, 4560430), (328, 4226740), (380, 3648344), (392, 3536660), (410, 3381392), (454, 3053680), (490, 2829328), (532, 2605960), (560, 2475662), (574, 2415280), (608, 2280215), (656, 2113370), (665, 2084768), (760, 1824172), (779, 1779680), (784, 1768330), (820, 1690696), (908, 1526840), (931, 1489120), (980, 1414664), (1064, 1302980), (1120, 1237831), (1135, 1221472), (1148, 1207640), (1312, 1056685), (1330, 1042384), (1435, 966112), (1520, 912086), (1558, 889840), (1568, 884165), (1589, 872480), (1640, 845348), (1816, 763420), (1862, 744560), (1960, 707332), (2009, 690080), (2128, 651490), (2270, 610736), (2296, 603820), (2660, 521192), (2870, 483056), (3040, 456043), (3116, 444920), (3178, 436240), (3280, 422674), (3632, 381710), (3724, 372280), (3895, 355936), (3920, 353666), (4018, 345040), (4256, 325745), (4313, 321440), (4540, 305368), (4592, 301910), (4655, 297824), (5320, 260596), (5453, 254240), (5740, 241528), (6232, 222460), (6356, 218120), (6560, 211337), (7264, 190855), (7448, 186140), (7790, 177968), (7840, 176833), (7945, 174496), (8036, 172520), (8626, 160720), (9080, 152684), (9184, 150955), (9307, 148960), (9310, 148912), (10045, 138016), (10640, 130298), (10906, 127120), (11123, 124640), (11480, 120764), (12464, 111230), (12712, 109060), (14896, 93070), (15580, 88984), (15890, 87248), (16072, 86260), (17252, 80360), (18160, 76342), (18614, 74480), (18620, 74456), (20090, 69008), (21280, 65149), (21565, 64288), (21812, 63560), (22246, 62320), (22960, 60382), (24928, 55615), (25424, 54530), (27265, 50848), (29792, 46535), (30191, 45920), (31160, 44492), (31780, 43624), (32144, 43130), (34504, 40180), (36320, 38171), (37228, 37240)]