17971590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:286

約数の個数: 128

約数和(自身を含む): 55157760

約数和(自身を除く): 37186170

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 29, 30, 35, 39, 42, 58, 65, 70, 78, 87, 91, 105, 130, 145, 174, 182, 195, 203, 210, 227, 273, 290, 377, 390, 406, 435, 454, 455, 546, 609, 681, 754, 870, 910, 1015, 1131, 1135, 1218, 1362, 1365, 1589, 1885, 2030, 2262, 2270, 2639, 2730, 2951, 3045, 3178, 3405, 3770, 4767, 5278, 5655, 5902, 6090, 6583, 6810, 7917, 7945, 8853, 9534, 11310, 13166, 13195, 14755, 15834, 15890, 17706, 19749, 20657, 23835, 26390, 29510, 32915, 39498, 39585, 41314, 44265, 46081, 47670, 61971, 65830, 79170, 85579, 88530, 92162, 98745, 103285, 123942, 138243, 171158, 197490, 206570, 230405, 256737, 276486, 309855, 427895, 460810, 513474, 599053, 619710, 691215, 855790, 1198106, 1283685, 1382430, 1797159, 2567370, 2995265, 3594318, 5990530, 8985795, 17971590]

約数ペア:

[(1, 17971590), (2, 8985795), (3, 5990530), (5, 3594318), (6, 2995265), (7, 2567370), (10, 1797159), (13, 1382430), (14, 1283685), (15, 1198106), (21, 855790), (26, 691215), (29, 619710), (30, 599053), (35, 513474), (39, 460810), (42, 427895), (58, 309855), (65, 276486), (70, 256737), (78, 230405), (87, 206570), (91, 197490), (105, 171158), (130, 138243), (145, 123942), (174, 103285), (182, 98745), (195, 92162), (203, 88530), (210, 85579), (227, 79170), (273, 65830), (290, 61971), (377, 47670), (390, 46081), (406, 44265), (435, 41314), (454, 39585), (455, 39498), (546, 32915), (609, 29510), (681, 26390), (754, 23835), (870, 20657), (910, 19749), (1015, 17706), (1131, 15890), (1135, 15834), (1218, 14755), (1362, 13195), (1365, 13166), (1589, 11310), (1885, 9534), (2030, 8853), (2262, 7945), (2270, 7917), (2639, 6810), (2730, 6583), (2951, 6090), (3045, 5902), (3178, 5655), (3405, 5278), (3770, 4767)]