90228720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:503

約数の個数: 160

約数和(自身を含む): 301409280

約数和(自身を除く): 211180560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 47, 48, 57, 60, 76, 80, 94, 95, 114, 120, 141, 152, 188, 190, 228, 235, 240, 282, 285, 304, 376, 380, 421, 456, 470, 564, 570, 705, 752, 760, 842, 893, 912, 940, 1128, 1140, 1263, 1410, 1520, 1684, 1786, 1880, 2105, 2256, 2280, 2526, 2679, 2820, 3368, 3572, 3760, 4210, 4465, 4560, 5052, 5358, 5640, 6315, 6736, 7144, 7999, 8420, 8930, 10104, 10716, 11280, 12630, 13395, 14288, 15998, 16840, 17860, 19787, 20208, 21432, 23997, 25260, 26790, 31996, 33680, 35720, 39574, 39995, 42864, 47994, 50520, 53580, 59361, 63992, 71440, 79148, 79990, 95988, 98935, 101040, 107160, 118722, 119985, 127984, 158296, 159980, 191976, 197870, 214320, 237444, 239970, 296805, 316592, 319960, 375953, 383952, 395740, 474888, 479940, 593610, 639920, 751906, 791480, 949776, 959880, 1127859, 1187220, 1503812, 1582960, 1879765, 1919760, 2255718, 2374440, 3007624, 3759530, 4511436, 4748880, 5639295, 6015248, 7519060, 9022872, 11278590, 15038120, 18045744, 22557180, 30076240, 45114360, 90228720]

約数ペア:

[(1, 90228720), (2, 45114360), (3, 30076240), (4, 22557180), (5, 18045744), (6, 15038120), (8, 11278590), (10, 9022872), (12, 7519060), (15, 6015248), (16, 5639295), (19, 4748880), (20, 4511436), (24, 3759530), (30, 3007624), (38, 2374440), (40, 2255718), (47, 1919760), (48, 1879765), (57, 1582960), (60, 1503812), (76, 1187220), (80, 1127859), (94, 959880), (95, 949776), (114, 791480), (120, 751906), (141, 639920), (152, 593610), (188, 479940), (190, 474888), (228, 395740), (235, 383952), (240, 375953), (282, 319960), (285, 316592), (304, 296805), (376, 239970), (380, 237444), (421, 214320), (456, 197870), (470, 191976), (564, 159980), (570, 158296), (705, 127984), (752, 119985), (760, 118722), (842, 107160), (893, 101040), (912, 98935), (940, 95988), (1128, 79990), (1140, 79148), (1263, 71440), (1410, 63992), (1520, 59361), (1684, 53580), (1786, 50520), (1880, 47994), (2105, 42864), (2256, 39995), (2280, 39574), (2526, 35720), (2679, 33680), (2820, 31996), (3368, 26790), (3572, 25260), (3760, 23997), (4210, 21432), (4465, 20208), (4560, 19787), (5052, 17860), (5358, 16840), (5640, 15998), (6315, 14288), (6736, 13395), (7144, 12630), (7999, 11280), (8420, 10716), (8930, 10104)]