209607480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{461}}^1$

素因数の和:902

約数の個数: 128

約数和(自身を含む): 701870400

約数和(自身を除く): 492262920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 421, 461, 540, 842, 922, 1080, 1263, 1383, 1684, 1844, 2105, 2305, 2526, 2766, 3368, 3688, 3789, 4149, 4210, 4610, 5052, 5532, 6315, 6915, 7578, 8298, 8420, 9220, 10104, 11064, 11367, 12447, 12630, 13830, 15156, 16596, 16840, 18440, 18945, 20745, 22734, 24894, 25260, 27660, 30312, 33192, 37890, 41490, 45468, 49788, 50520, 55320, 56835, 62235, 75780, 82980, 90936, 99576, 113670, 124470, 151560, 165960, 194081, 227340, 248940, 388162, 454680, 497880, 582243, 776324, 970405, 1164486, 1552648, 1746729, 1940810, 2328972, 2911215, 3493458, 3881620, 4657944, 5240187, 5822430, 6986916, 7763240, 8733645, 10480374, 11644860, 13973832, 17467290, 20960748, 23289720, 26200935, 34934580, 41921496, 52401870, 69869160, 104803740, 209607480]

約数ペア:

[(1, 209607480), (2, 104803740), (3, 69869160), (4, 52401870), (5, 41921496), (6, 34934580), (8, 26200935), (9, 23289720), (10, 20960748), (12, 17467290), (15, 13973832), (18, 11644860), (20, 10480374), (24, 8733645), (27, 7763240), (30, 6986916), (36, 5822430), (40, 5240187), (45, 4657944), (54, 3881620), (60, 3493458), (72, 2911215), (90, 2328972), (108, 1940810), (120, 1746729), (135, 1552648), (180, 1164486), (216, 970405), (270, 776324), (360, 582243), (421, 497880), (461, 454680), (540, 388162), (842, 248940), (922, 227340), (1080, 194081), (1263, 165960), (1383, 151560), (1684, 124470), (1844, 113670), (2105, 99576), (2305, 90936), (2526, 82980), (2766, 75780), (3368, 62235), (3688, 56835), (3789, 55320), (4149, 50520), (4210, 49788), (4610, 45468), (5052, 41490), (5532, 37890), (6315, 33192), (6915, 30312), (7578, 27660), (8298, 25260), (8420, 24894), (9220, 22734), (10104, 20745), (11064, 18945), (11367, 18440), (12447, 16840), (12630, 16596), (13830, 15156)]