128201940

素因数分解:

$2^2\times 3^8\times 5^1\times {\mathrm{977}}^1$

素因数の和:1010

約数の個数: 108

約数和(自身を含む): 404228916

約数和(自身を除く): 276026976

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 977, 1215, 1458, 1620, 1954, 2187, 2430, 2916, 2931, 3645, 3908, 4374, 4860, 4885, 5862, 6561, 7290, 8748, 8793, 9770, 10935, 11724, 13122, 14580, 14655, 17586, 19540, 21870, 26244, 26379, 29310, 32805, 35172, 43740, 43965, 52758, 58620, 65610, 79137, 87930, 105516, 131220, 131895, 158274, 175860, 237411, 263790, 316548, 395685, 474822, 527580, 712233, 791370, 949644, 1187055, 1424466, 1582740, 2136699, 2374110, 2848932, 3561165, 4273398, 4748220, 6410097, 7122330, 8546796, 10683495, 12820194, 14244660, 21366990, 25640388, 32050485, 42733980, 64100970, 128201940]

約数ペア:

[(1, 128201940), (2, 64100970), (3, 42733980), (4, 32050485), (5, 25640388), (6, 21366990), (9, 14244660), (10, 12820194), (12, 10683495), (15, 8546796), (18, 7122330), (20, 6410097), (27, 4748220), (30, 4273398), (36, 3561165), (45, 2848932), (54, 2374110), (60, 2136699), (81, 1582740), (90, 1424466), (108, 1187055), (135, 949644), (162, 791370), (180, 712233), (243, 527580), (270, 474822), (324, 395685), (405, 316548), (486, 263790), (540, 237411), (729, 175860), (810, 158274), (972, 131895), (977, 131220), (1215, 105516), (1458, 87930), (1620, 79137), (1954, 65610), (2187, 58620), (2430, 52758), (2916, 43965), (2931, 43740), (3645, 35172), (3908, 32805), (4374, 29310), (4860, 26379), (4885, 26244), (5862, 21870), (6561, 19540), (7290, 17586), (8748, 14655), (8793, 14580), (9770, 13122), (10935, 11724)]