90275080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:347

約数の個数: 128

約数和(自身を含む): 248832000

約数和(自身を除く): 158556920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 95, 133, 140, 142, 152, 190, 239, 266, 280, 284, 355, 380, 478, 497, 532, 568, 665, 710, 760, 956, 994, 1064, 1195, 1330, 1349, 1420, 1673, 1912, 1988, 2390, 2485, 2660, 2698, 2840, 3346, 3976, 4541, 4780, 4970, 5320, 5396, 6692, 6745, 8365, 9082, 9443, 9560, 9940, 10792, 13384, 13490, 16730, 16969, 18164, 18886, 19880, 22705, 26980, 31787, 33460, 33938, 36328, 37772, 45410, 47215, 53960, 63574, 66920, 67876, 75544, 84845, 90820, 94430, 118783, 127148, 135752, 158935, 169690, 181640, 188860, 237566, 254296, 317870, 322411, 339380, 377720, 475132, 593915, 635740, 644822, 678760, 950264, 1187830, 1271480, 1289644, 1612055, 2256877, 2375660, 2579288, 3224110, 4513754, 4751320, 6448220, 9027508, 11284385, 12896440, 18055016, 22568770, 45137540, 90275080]

約数ペア:

[(1, 90275080), (2, 45137540), (4, 22568770), (5, 18055016), (7, 12896440), (8, 11284385), (10, 9027508), (14, 6448220), (19, 4751320), (20, 4513754), (28, 3224110), (35, 2579288), (38, 2375660), (40, 2256877), (56, 1612055), (70, 1289644), (71, 1271480), (76, 1187830), (95, 950264), (133, 678760), (140, 644822), (142, 635740), (152, 593915), (190, 475132), (239, 377720), (266, 339380), (280, 322411), (284, 317870), (355, 254296), (380, 237566), (478, 188860), (497, 181640), (532, 169690), (568, 158935), (665, 135752), (710, 127148), (760, 118783), (956, 94430), (994, 90820), (1064, 84845), (1195, 75544), (1330, 67876), (1349, 66920), (1420, 63574), (1673, 53960), (1912, 47215), (1988, 45410), (2390, 37772), (2485, 36328), (2660, 33938), (2698, 33460), (2840, 31787), (3346, 26980), (3976, 22705), (4541, 19880), (4780, 18886), (4970, 18164), (5320, 16969), (5396, 16730), (6692, 13490), (6745, 13384), (8365, 10792), (9082, 9940), (9443, 9560)]