64647720

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{739}}^1$

素因数の和:771

約数の個数: 128

約数和(自身を含む): 218448000

約数和(自身を除く): 153800280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 739, 810, 972, 1080, 1215, 1458, 1478, 1620, 1944, 2187, 2217, 2430, 2916, 2956, 3240, 3645, 3695, 4374, 4434, 4860, 5832, 5912, 6651, 7290, 7390, 8748, 8868, 9720, 10935, 11085, 13302, 14580, 14780, 17496, 17736, 19953, 21870, 22170, 26604, 29160, 29560, 33255, 39906, 43740, 44340, 53208, 59859, 66510, 79812, 87480, 88680, 99765, 119718, 133020, 159624, 179577, 199530, 239436, 266040, 299295, 359154, 399060, 478872, 538731, 598590, 718308, 798120, 897885, 1077462, 1197180, 1436616, 1616193, 1795770, 2154924, 2394360, 2693655, 3232386, 3591540, 4309848, 5387310, 6464772, 7183080, 8080965, 10774620, 12929544, 16161930, 21549240, 32323860, 64647720]

約数ペア:

[(1, 64647720), (2, 32323860), (3, 21549240), (4, 16161930), (5, 12929544), (6, 10774620), (8, 8080965), (9, 7183080), (10, 6464772), (12, 5387310), (15, 4309848), (18, 3591540), (20, 3232386), (24, 2693655), (27, 2394360), (30, 2154924), (36, 1795770), (40, 1616193), (45, 1436616), (54, 1197180), (60, 1077462), (72, 897885), (81, 798120), (90, 718308), (108, 598590), (120, 538731), (135, 478872), (162, 399060), (180, 359154), (216, 299295), (243, 266040), (270, 239436), (324, 199530), (360, 179577), (405, 159624), (486, 133020), (540, 119718), (648, 99765), (729, 88680), (739, 87480), (810, 79812), (972, 66510), (1080, 59859), (1215, 53208), (1458, 44340), (1478, 43740), (1620, 39906), (1944, 33255), (2187, 29560), (2217, 29160), (2430, 26604), (2916, 22170), (2956, 21870), (3240, 19953), (3645, 17736), (3695, 17496), (4374, 14780), (4434, 14580), (4860, 13302), (5832, 11085), (5912, 10935), (6651, 9720), (7290, 8868), (7390, 8748)]