1286663680

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^2\times {\mathrm{523}}^1$

素因数の和:608

約数の個数: 120

約数和(自身を含む): 3193797816

約数和(自身を除く): 1907134136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 523, 620, 640, 961, 992, 1046, 1240, 1280, 1922, 1984, 2092, 2480, 2560, 2615, 3844, 3968, 4184, 4805, 4960, 5230, 7688, 7936, 8368, 9610, 9920, 10460, 15376, 15872, 16213, 16736, 19220, 19840, 20920, 30752, 32426, 33472, 38440, 39680, 41840, 61504, 64852, 66944, 76880, 79360, 81065, 83680, 123008, 129704, 133888, 153760, 162130, 167360, 246016, 259408, 267776, 307520, 324260, 334720, 492032, 502603, 518816, 615040, 648520, 669440, 1005206, 1037632, 1230080, 1297040, 1338880, 2010412, 2075264, 2460160, 2513015, 2594080, 4020824, 4150528, 5026030, 5188160, 8041648, 8301056, 10052060, 10376320, 16083296, 20104120, 20752640, 32166592, 40208240, 41505280, 64333184, 80416480, 128666368, 160832960, 257332736, 321665920, 643331840, 1286663680]

約数ペア:

[(1, 1286663680), (2, 643331840), (4, 321665920), (5, 257332736), (8, 160832960), (10, 128666368), (16, 80416480), (20, 64333184), (31, 41505280), (32, 40208240), (40, 32166592), (62, 20752640), (64, 20104120), (80, 16083296), (124, 10376320), (128, 10052060), (155, 8301056), (160, 8041648), (248, 5188160), (256, 5026030), (310, 4150528), (320, 4020824), (496, 2594080), (512, 2513015), (523, 2460160), (620, 2075264), (640, 2010412), (961, 1338880), (992, 1297040), (1046, 1230080), (1240, 1037632), (1280, 1005206), (1922, 669440), (1984, 648520), (2092, 615040), (2480, 518816), (2560, 502603), (2615, 492032), (3844, 334720), (3968, 324260), (4184, 307520), (4805, 267776), (4960, 259408), (5230, 246016), (7688, 167360), (7936, 162130), (8368, 153760), (9610, 133888), (9920, 129704), (10460, 123008), (15376, 83680), (15872, 81065), (16213, 79360), (16736, 76880), (19220, 66944), (19840, 64852), (20920, 61504), (30752, 41840), (32426, 39680), (33472, 38440)]