1378700820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{751}}^1$

素因数の和:851

約数の個数: 288

約数和(自身を含む): 5045354496

約数和(自身を除く): 3666653676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 47, 60, 62, 63, 70, 84, 90, 93, 94, 105, 124, 126, 140, 141, 155, 180, 186, 188, 210, 217, 235, 252, 279, 282, 310, 315, 329, 372, 420, 423, 434, 465, 470, 558, 564, 620, 630, 651, 658, 705, 751, 846, 868, 930, 940, 987, 1085, 1116, 1260, 1302, 1316, 1395, 1410, 1457, 1502, 1645, 1692, 1860, 1953, 1974, 2115, 2170, 2253, 2604, 2790, 2820, 2914, 2961, 3004, 3255, 3290, 3755, 3906, 3948, 4230, 4340, 4371, 4506, 4935, 5257, 5580, 5828, 5922, 6510, 6580, 6759, 7285, 7510, 7812, 8460, 8742, 9012, 9765, 9870, 10199, 10514, 11265, 11844, 13020, 13113, 13518, 14570, 14805, 15020, 15771, 17484, 19530, 19740, 20398, 21028, 21855, 22530, 23281, 26226, 26285, 27036, 29140, 29610, 30597, 31542, 33795, 35297, 39060, 40796, 43710, 45060, 46562, 47313, 50995, 52452, 52570, 59220, 61194, 63084, 65565, 67590, 69843, 70594, 78855, 87420, 91791, 93124, 94626, 101990, 105140, 105891, 116405, 122388, 131130, 135180, 139686, 141188, 152985, 157710, 162967, 176485, 183582, 189252, 203980, 209529, 211782, 232810, 236565, 247079, 262260, 279372, 305970, 315420, 317673, 325934, 349215, 352970, 367164, 419058, 423564, 458955, 465620, 473130, 488901, 494158, 529455, 611940, 635346, 651868, 698430, 705940, 741237, 814835, 838116, 917910, 946260, 977802, 988316, 1047645, 1058910, 1094207, 1235395, 1270692, 1396860, 1466703, 1482474, 1588365, 1629670, 1835820, 1955604, 2095290, 2117820, 2188414, 2223711, 2444505, 2470790, 2933406, 2964948, 3176730, 3259340, 3282621, 3706185, 4190580, 4376828, 4447422, 4889010, 4941580, 5471035, 5866812, 6353460, 6565242, 7333515, 7412370, 7659449, 8894844, 9778020, 9847863, 10942070, 11118555, 13130484, 14667030, 14824740, 15318898, 16413105, 19695726, 21884140, 22237110, 22978347, 29334060, 30637796, 32826210, 38297245, 39391452, 44474220, 45956694, 49239315, 65652420, 68935041, 76594490, 91913388, 98478630, 114891735, 137870082, 153188980, 196957260, 229783470, 275740164, 344675205, 459566940, 689350410, 1378700820]

約数ペア:

[(1, 1378700820), (2, 689350410), (3, 459566940), (4, 344675205), (5, 275740164), (6, 229783470), (7, 196957260), (9, 153188980), (10, 137870082), (12, 114891735), (14, 98478630), (15, 91913388), (18, 76594490), (20, 68935041), (21, 65652420), (28, 49239315), (30, 45956694), (31, 44474220), (35, 39391452), (36, 38297245), (42, 32826210), (45, 30637796), (47, 29334060), (60, 22978347), (62, 22237110), (63, 21884140), (70, 19695726), (84, 16413105), (90, 15318898), (93, 14824740), (94, 14667030), (105, 13130484), (124, 11118555), (126, 10942070), (140, 9847863), (141, 9778020), (155, 8894844), (180, 7659449), (186, 7412370), (188, 7333515), (210, 6565242), (217, 6353460), (235, 5866812), (252, 5471035), (279, 4941580), (282, 4889010), (310, 4447422), (315, 4376828), (329, 4190580), (372, 3706185), (420, 3282621), (423, 3259340), (434, 3176730), (465, 2964948), (470, 2933406), (558, 2470790), (564, 2444505), (620, 2223711), (630, 2188414), (651, 2117820), (658, 2095290), (705, 1955604), (751, 1835820), (846, 1629670), (868, 1588365), (930, 1482474), (940, 1466703), (987, 1396860), (1085, 1270692), (1116, 1235395), (1260, 1094207), (1302, 1058910), (1316, 1047645), (1395, 988316), (1410, 977802), (1457, 946260), (1502, 917910), (1645, 838116), (1692, 814835), (1860, 741237), (1953, 705940), (1974, 698430), (2115, 651868), (2170, 635346), (2253, 611940), (2604, 529455), (2790, 494158), (2820, 488901), (2914, 473130), (2961, 465620), (3004, 458955), (3255, 423564), (3290, 419058), (3755, 367164), (3906, 352970), (3948, 349215), (4230, 325934), (4340, 317673), (4371, 315420), (4506, 305970), (4935, 279372), (5257, 262260), (5580, 247079), (5828, 236565), (5922, 232810), (6510, 211782), (6580, 209529), (6759, 203980), (7285, 189252), (7510, 183582), (7812, 176485), (8460, 162967), (8742, 157710), (9012, 152985), (9765, 141188), (9870, 139686), (10199, 135180), (10514, 131130), (11265, 122388), (11844, 116405), (13020, 105891), (13113, 105140), (13518, 101990), (14570, 94626), (14805, 93124), (15020, 91791), (15771, 87420), (17484, 78855), (19530, 70594), (19740, 69843), (20398, 67590), (21028, 65565), (21855, 63084), (22530, 61194), (23281, 59220), (26226, 52570), (26285, 52452), (27036, 50995), (29140, 47313), (29610, 46562), (30597, 45060), (31542, 43710), (33795, 40796), (35297, 39060)]