87138660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:410

約数の個数: 144

約数和(自身を含む): 287509824

約数和(自身を除く): 200371164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 107, 140, 147, 196, 210, 214, 245, 277, 294, 321, 420, 428, 490, 535, 554, 588, 642, 735, 749, 831, 980, 1070, 1108, 1284, 1385, 1470, 1498, 1605, 1662, 1939, 2140, 2247, 2770, 2940, 2996, 3210, 3324, 3745, 3878, 4155, 4494, 5243, 5540, 5817, 6420, 7490, 7756, 8310, 8988, 9695, 10486, 11235, 11634, 13573, 14980, 15729, 16620, 19390, 20972, 22470, 23268, 26215, 27146, 29085, 29639, 31458, 38780, 40719, 44940, 52430, 54292, 58170, 59278, 62916, 67865, 78645, 81438, 88917, 104860, 116340, 118556, 135730, 148195, 157290, 162876, 177834, 203595, 207473, 271460, 296390, 314580, 355668, 407190, 414946, 444585, 592780, 622419, 814380, 829892, 889170, 1037365, 1244838, 1452311, 1778340, 2074730, 2489676, 2904622, 3112095, 4149460, 4356933, 5809244, 6224190, 7261555, 8713866, 12448380, 14523110, 17427732, 21784665, 29046220, 43569330, 87138660]

約数ペア:

[(1, 87138660), (2, 43569330), (3, 29046220), (4, 21784665), (5, 17427732), (6, 14523110), (7, 12448380), (10, 8713866), (12, 7261555), (14, 6224190), (15, 5809244), (20, 4356933), (21, 4149460), (28, 3112095), (30, 2904622), (35, 2489676), (42, 2074730), (49, 1778340), (60, 1452311), (70, 1244838), (84, 1037365), (98, 889170), (105, 829892), (107, 814380), (140, 622419), (147, 592780), (196, 444585), (210, 414946), (214, 407190), (245, 355668), (277, 314580), (294, 296390), (321, 271460), (420, 207473), (428, 203595), (490, 177834), (535, 162876), (554, 157290), (588, 148195), (642, 135730), (735, 118556), (749, 116340), (831, 104860), (980, 88917), (1070, 81438), (1108, 78645), (1284, 67865), (1385, 62916), (1470, 59278), (1498, 58170), (1605, 54292), (1662, 52430), (1939, 44940), (2140, 40719), (2247, 38780), (2770, 31458), (2940, 29639), (2996, 29085), (3210, 27146), (3324, 26215), (3745, 23268), (3878, 22470), (4155, 20972), (4494, 19390), (5243, 16620), (5540, 15729), (5817, 14980), (6420, 13573), (7490, 11634), (7756, 11235), (8310, 10486), (8988, 9695)]