90232480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 239065344

約数和(自身を除く): 148832864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 65, 71, 80, 94, 104, 130, 142, 160, 169, 188, 208, 235, 260, 284, 338, 355, 376, 416, 470, 520, 568, 611, 676, 710, 752, 845, 923, 940, 1040, 1136, 1222, 1352, 1420, 1504, 1690, 1846, 1880, 2080, 2272, 2444, 2704, 2840, 3055, 3337, 3380, 3692, 3760, 4615, 4888, 5408, 5680, 6110, 6674, 6760, 7384, 7520, 7943, 9230, 9776, 11360, 11999, 12220, 13348, 13520, 14768, 15886, 16685, 18460, 19552, 23998, 24440, 26696, 27040, 29536, 31772, 33370, 36920, 39715, 43381, 47996, 48880, 53392, 59995, 63544, 66740, 73840, 79430, 86762, 95992, 97760, 106784, 119990, 127088, 133480, 147680, 158860, 173524, 191984, 216905, 239980, 254176, 266960, 317720, 347048, 383968, 433810, 479960, 533920, 563953, 635440, 694096, 867620, 959920, 1127906, 1270880, 1388192, 1735240, 1919840, 2255812, 2819765, 3470480, 4511624, 5639530, 6940960, 9023248, 11279060, 18046496, 22558120, 45116240, 90232480]

約数ペア:

[(1, 90232480), (2, 45116240), (4, 22558120), (5, 18046496), (8, 11279060), (10, 9023248), (13, 6940960), (16, 5639530), (20, 4511624), (26, 3470480), (32, 2819765), (40, 2255812), (47, 1919840), (52, 1735240), (65, 1388192), (71, 1270880), (80, 1127906), (94, 959920), (104, 867620), (130, 694096), (142, 635440), (160, 563953), (169, 533920), (188, 479960), (208, 433810), (235, 383968), (260, 347048), (284, 317720), (338, 266960), (355, 254176), (376, 239980), (416, 216905), (470, 191984), (520, 173524), (568, 158860), (611, 147680), (676, 133480), (710, 127088), (752, 119990), (845, 106784), (923, 97760), (940, 95992), (1040, 86762), (1136, 79430), (1222, 73840), (1352, 66740), (1420, 63544), (1504, 59995), (1690, 53392), (1846, 48880), (1880, 47996), (2080, 43381), (2272, 39715), (2444, 36920), (2704, 33370), (2840, 31772), (3055, 29536), (3337, 27040), (3380, 26696), (3692, 24440), (3760, 23998), (4615, 19552), (4888, 18460), (5408, 16685), (5680, 15886), (6110, 14768), (6674, 13520), (6760, 13348), (7384, 12220), (7520, 11999), (7943, 11360), (9230, 9776)]