65659020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{971}}^1$

素因数の和:1020

約数の個数: 144

約数和(自身を含む): 223388928

約数和(自身を除く): 157729908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 966, 971, 980, 1127, 1380, 1470, 1610, 1932, 1942, 2254, 2415, 2913, 2940, 3220, 3381, 3884, 4508, 4830, 4855, 5635, 5826, 6762, 6797, 9660, 9710, 11270, 11652, 13524, 13594, 14565, 16905, 19420, 20391, 22333, 22540, 27188, 29130, 33810, 33985, 40782, 44666, 47579, 58260, 66999, 67620, 67970, 81564, 89332, 95158, 101955, 111665, 133998, 135940, 142737, 156331, 190316, 203910, 223330, 237895, 267996, 285474, 312662, 334995, 407820, 446660, 468993, 475790, 570948, 625324, 669990, 713685, 781655, 937986, 951580, 1094317, 1339980, 1427370, 1563310, 1875972, 2188634, 2344965, 2854740, 3126620, 3282951, 4377268, 4689930, 5471585, 6565902, 9379860, 10943170, 13131804, 16414755, 21886340, 32829510, 65659020]

約数ペア:

[(1, 65659020), (2, 32829510), (3, 21886340), (4, 16414755), (5, 13131804), (6, 10943170), (7, 9379860), (10, 6565902), (12, 5471585), (14, 4689930), (15, 4377268), (20, 3282951), (21, 3126620), (23, 2854740), (28, 2344965), (30, 2188634), (35, 1875972), (42, 1563310), (46, 1427370), (49, 1339980), (60, 1094317), (69, 951580), (70, 937986), (84, 781655), (92, 713685), (98, 669990), (105, 625324), (115, 570948), (138, 475790), (140, 468993), (147, 446660), (161, 407820), (196, 334995), (210, 312662), (230, 285474), (245, 267996), (276, 237895), (294, 223330), (322, 203910), (345, 190316), (420, 156331), (460, 142737), (483, 135940), (490, 133998), (588, 111665), (644, 101955), (690, 95158), (735, 89332), (805, 81564), (966, 67970), (971, 67620), (980, 66999), (1127, 58260), (1380, 47579), (1470, 44666), (1610, 40782), (1932, 33985), (1942, 33810), (2254, 29130), (2415, 27188), (2913, 22540), (2940, 22333), (3220, 20391), (3381, 19420), (3884, 16905), (4508, 14565), (4830, 13594), (4855, 13524), (5635, 11652), (5826, 11270), (6762, 9710), (6797, 9660)]