131363960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 367718400

約数和(自身を除く): 236354440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 151, 182, 239, 260, 280, 302, 364, 455, 478, 520, 604, 728, 755, 910, 956, 1057, 1195, 1208, 1510, 1673, 1820, 1912, 1963, 2114, 2390, 3020, 3107, 3346, 3640, 3926, 4228, 4780, 5285, 6040, 6214, 6692, 7852, 8365, 8456, 9560, 9815, 10570, 12428, 13384, 13741, 15535, 15704, 16730, 19630, 21140, 21749, 24856, 27482, 31070, 33460, 36089, 39260, 42280, 43498, 54964, 62140, 66920, 68705, 72178, 78520, 86996, 108745, 109928, 124280, 137410, 144356, 173992, 180445, 217490, 252623, 274820, 288712, 360890, 434980, 469157, 505246, 549640, 721780, 869960, 938314, 1010492, 1263115, 1443560, 1876628, 2020984, 2345785, 2526230, 3284099, 3753256, 4691570, 5052460, 6568198, 9383140, 10104920, 13136396, 16420495, 18766280, 26272792, 32840990, 65681980, 131363960]

約数ペア:

[(1, 131363960), (2, 65681980), (4, 32840990), (5, 26272792), (7, 18766280), (8, 16420495), (10, 13136396), (13, 10104920), (14, 9383140), (20, 6568198), (26, 5052460), (28, 4691570), (35, 3753256), (40, 3284099), (52, 2526230), (56, 2345785), (65, 2020984), (70, 1876628), (91, 1443560), (104, 1263115), (130, 1010492), (140, 938314), (151, 869960), (182, 721780), (239, 549640), (260, 505246), (280, 469157), (302, 434980), (364, 360890), (455, 288712), (478, 274820), (520, 252623), (604, 217490), (728, 180445), (755, 173992), (910, 144356), (956, 137410), (1057, 124280), (1195, 109928), (1208, 108745), (1510, 86996), (1673, 78520), (1820, 72178), (1912, 68705), (1963, 66920), (2114, 62140), (2390, 54964), (3020, 43498), (3107, 42280), (3346, 39260), (3640, 36089), (3926, 33460), (4228, 31070), (4780, 27482), (5285, 24856), (6040, 21749), (6214, 21140), (6692, 19630), (7852, 16730), (8365, 15704), (8456, 15535), (9560, 13741), (9815, 13384), (10570, 12428)]