28129265640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157217}}^1$

素因数の和:157312

約数の個数: 192

約数和(自身を含む): 105952354560

約数和(自身を除く): 77823088920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 71, 72, 84, 90, 105, 120, 126, 140, 142, 168, 180, 210, 213, 252, 280, 284, 315, 355, 360, 420, 426, 497, 504, 568, 630, 639, 710, 840, 852, 994, 1065, 1260, 1278, 1420, 1491, 1704, 1988, 2130, 2485, 2520, 2556, 2840, 2982, 3195, 3976, 4260, 4473, 4970, 5112, 5964, 6390, 7455, 8520, 8946, 9940, 11928, 12780, 14910, 17892, 19880, 22365, 25560, 29820, 35784, 44730, 59640, 89460, 157217, 178920, 314434, 471651, 628868, 786085, 943302, 1100519, 1257736, 1414953, 1572170, 1886604, 2201038, 2358255, 2829906, 3144340, 3301557, 3773208, 4402076, 4716510, 5502595, 5659812, 6288680, 6603114, 7074765, 8804152, 9433020, 9904671, 11005190, 11162407, 11319624, 13206228, 14149530, 16507785, 18866040, 19809342, 22010380, 22324814, 26412456, 28299060, 33015570, 33487221, 39618684, 44020760, 44649628, 49523355, 55812035, 56598120, 66031140, 66974442, 78136849, 79237368, 89299256, 99046710, 100461663, 111624070, 132062280, 133948884, 156273698, 167436105, 198093420, 200923326, 223248140, 234410547, 267897768, 312547396, 334872210, 390684245, 396186840, 401846652, 446496280, 468821094, 502308315, 625094792, 669744420, 703231641, 781368490, 803693304, 937642188, 1004616630, 1172052735, 1339488840, 1406463282, 1562736980, 1875284376, 2009233260, 2344105470, 2812926564, 3125473960, 3516158205, 4018466520, 4688210940, 5625853128, 7032316410, 9376421880, 14064632820, 28129265640]

約数ペア:

[(1, 28129265640), (2, 14064632820), (3, 9376421880), (4, 7032316410), (5, 5625853128), (6, 4688210940), (7, 4018466520), (8, 3516158205), (9, 3125473960), (10, 2812926564), (12, 2344105470), (14, 2009233260), (15, 1875284376), (18, 1562736980), (20, 1406463282), (21, 1339488840), (24, 1172052735), (28, 1004616630), (30, 937642188), (35, 803693304), (36, 781368490), (40, 703231641), (42, 669744420), (45, 625094792), (56, 502308315), (60, 468821094), (63, 446496280), (70, 401846652), (71, 396186840), (72, 390684245), (84, 334872210), (90, 312547396), (105, 267897768), (120, 234410547), (126, 223248140), (140, 200923326), (142, 198093420), (168, 167436105), (180, 156273698), (210, 133948884), (213, 132062280), (252, 111624070), (280, 100461663), (284, 99046710), (315, 89299256), (355, 79237368), (360, 78136849), (420, 66974442), (426, 66031140), (497, 56598120), (504, 55812035), (568, 49523355), (630, 44649628), (639, 44020760), (710, 39618684), (840, 33487221), (852, 33015570), (994, 28299060), (1065, 26412456), (1260, 22324814), (1278, 22010380), (1420, 19809342), (1491, 18866040), (1704, 16507785), (1988, 14149530), (2130, 13206228), (2485, 11319624), (2520, 11162407), (2556, 11005190), (2840, 9904671), (2982, 9433020), (3195, 8804152), (3976, 7074765), (4260, 6603114), (4473, 6288680), (4970, 5659812), (5112, 5502595), (5964, 4716510), (6390, 4402076), (7455, 3773208), (8520, 3301557), (8946, 3144340), (9940, 2829906), (11928, 2358255), (12780, 2201038), (14910, 1886604), (17892, 1572170), (19880, 1414953), (22365, 1257736), (25560, 1100519), (29820, 943302), (35784, 786085), (44730, 628868), (59640, 471651), (89460, 314434), (157217, 178920)]