280222020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3863}}^1$

素因数の和:3922

約数の個数: 144

約数和(自身を含む): 945165312

約数和(自身を除く): 664943292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2790, 3627, 3863, 4030, 4836, 5580, 6045, 7254, 7726, 8060, 11589, 12090, 14508, 15452, 18135, 19315, 23178, 24180, 34767, 36270, 38630, 46356, 50219, 57945, 69534, 72540, 77260, 100438, 115890, 119753, 139068, 150657, 173835, 200876, 231780, 239506, 251095, 301314, 347670, 359259, 451971, 479012, 502190, 598765, 602628, 695340, 718518, 753285, 903942, 1004380, 1077777, 1197530, 1437036, 1506570, 1556789, 1796295, 1807884, 2155554, 2259855, 2395060, 3013140, 3113578, 3592590, 4311108, 4519710, 4670367, 5388885, 6227156, 7185180, 7783945, 9039420, 9340734, 10777770, 14011101, 15567890, 18681468, 21555540, 23351835, 28022202, 31135780, 46703670, 56044404, 70055505, 93407340, 140111010, 280222020]

約数ペア:

[(1, 280222020), (2, 140111010), (3, 93407340), (4, 70055505), (5, 56044404), (6, 46703670), (9, 31135780), (10, 28022202), (12, 23351835), (13, 21555540), (15, 18681468), (18, 15567890), (20, 14011101), (26, 10777770), (30, 9340734), (31, 9039420), (36, 7783945), (39, 7185180), (45, 6227156), (52, 5388885), (60, 4670367), (62, 4519710), (65, 4311108), (78, 3592590), (90, 3113578), (93, 3013140), (117, 2395060), (124, 2259855), (130, 2155554), (155, 1807884), (156, 1796295), (180, 1556789), (186, 1506570), (195, 1437036), (234, 1197530), (260, 1077777), (279, 1004380), (310, 903942), (372, 753285), (390, 718518), (403, 695340), (465, 602628), (468, 598765), (558, 502190), (585, 479012), (620, 451971), (780, 359259), (806, 347670), (930, 301314), (1116, 251095), (1170, 239506), (1209, 231780), (1395, 200876), (1612, 173835), (1860, 150657), (2015, 139068), (2340, 119753), (2418, 115890), (2790, 100438), (3627, 77260), (3863, 72540), (4030, 69534), (4836, 57945), (5580, 50219), (6045, 46356), (7254, 38630), (7726, 36270), (8060, 34767), (11589, 24180), (12090, 23178), (14508, 19315), (15452, 18135)]