220009860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{617}}^1$

素因数の和:922

約数の個数: 144

約数和(自身を含む): 766636416

約数和(自身を除く): 546626556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 283, 315, 420, 566, 617, 630, 849, 1132, 1234, 1260, 1415, 1698, 1851, 1981, 2468, 2547, 2830, 3085, 3396, 3702, 3962, 4245, 4319, 5094, 5553, 5660, 5943, 6170, 7404, 7924, 8490, 8638, 9255, 9905, 10188, 11106, 11886, 12340, 12735, 12957, 16980, 17276, 17829, 18510, 19810, 21595, 22212, 23772, 25470, 25914, 27765, 29715, 35658, 37020, 38871, 39620, 43190, 50940, 51828, 55530, 59430, 64785, 71316, 77742, 86380, 89145, 111060, 118860, 129570, 155484, 174611, 178290, 194355, 259140, 349222, 356580, 388710, 523833, 698444, 777420, 873055, 1047666, 1222277, 1571499, 1746110, 2095332, 2444554, 2619165, 3142998, 3492220, 3666831, 4889108, 5238330, 6111385, 6285996, 7333662, 7857495, 10476660, 11000493, 12222770, 14667324, 15714990, 18334155, 22000986, 24445540, 31429980, 36668310, 44001972, 55002465, 73336620, 110004930, 220009860]

約数ペア:

[(1, 220009860), (2, 110004930), (3, 73336620), (4, 55002465), (5, 44001972), (6, 36668310), (7, 31429980), (9, 24445540), (10, 22000986), (12, 18334155), (14, 15714990), (15, 14667324), (18, 12222770), (20, 11000493), (21, 10476660), (28, 7857495), (30, 7333662), (35, 6285996), (36, 6111385), (42, 5238330), (45, 4889108), (60, 3666831), (63, 3492220), (70, 3142998), (84, 2619165), (90, 2444554), (105, 2095332), (126, 1746110), (140, 1571499), (180, 1222277), (210, 1047666), (252, 873055), (283, 777420), (315, 698444), (420, 523833), (566, 388710), (617, 356580), (630, 349222), (849, 259140), (1132, 194355), (1234, 178290), (1260, 174611), (1415, 155484), (1698, 129570), (1851, 118860), (1981, 111060), (2468, 89145), (2547, 86380), (2830, 77742), (3085, 71316), (3396, 64785), (3702, 59430), (3962, 55530), (4245, 51828), (4319, 50940), (5094, 43190), (5553, 39620), (5660, 38871), (5943, 37020), (6170, 35658), (7404, 29715), (7924, 27765), (8490, 25914), (8638, 25470), (9255, 23772), (9905, 22212), (10188, 21595), (11106, 19810), (11886, 18510), (12340, 17829), (12735, 17276), (12957, 16980)]