1661344620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:456

約数の個数: 192

約数和(自身を含む): 5141283840

約数和(自身を除く): 3479939220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 71, 78, 130, 131, 142, 156, 195, 213, 229, 260, 262, 284, 355, 390, 393, 426, 458, 524, 655, 687, 710, 780, 786, 852, 916, 923, 1065, 1145, 1310, 1374, 1420, 1572, 1703, 1846, 1965, 2130, 2290, 2620, 2748, 2769, 2977, 3406, 3435, 3692, 3930, 4260, 4580, 4615, 5109, 5538, 5954, 6812, 6870, 7860, 8515, 8931, 9230, 9301, 10218, 11076, 11908, 13740, 13845, 14885, 16259, 17030, 17862, 18460, 18602, 20436, 25545, 27690, 27903, 29770, 29999, 32518, 34060, 35724, 37204, 44655, 46505, 48777, 51090, 55380, 55806, 59540, 59998, 65036, 81295, 89310, 89997, 93010, 97554, 102180, 111612, 119996, 120913, 139515, 149995, 162590, 178620, 179994, 186020, 195108, 211367, 241826, 243885, 279030, 299990, 325180, 359988, 362739, 389987, 422734, 449985, 483652, 487770, 558060, 599980, 604565, 634101, 725478, 779974, 845468, 899970, 975540, 1056835, 1169961, 1209130, 1268202, 1450956, 1559948, 1799940, 1813695, 1949935, 2113670, 2129929, 2339922, 2418260, 2536404, 3170505, 3627390, 3899870, 4227340, 4259858, 4679844, 5849805, 6341010, 6389787, 7254780, 7799740, 8519716, 10649645, 11699610, 12682020, 12779574, 21299290, 23399220, 25559148, 27689077, 31948935, 42598580, 55378154, 63897870, 83067231, 110756308, 127795740, 138445385, 166134462, 276890770, 332268924, 415336155, 553781540, 830672310, 1661344620]

約数ペア:

[(1, 1661344620), (2, 830672310), (3, 553781540), (4, 415336155), (5, 332268924), (6, 276890770), (10, 166134462), (12, 138445385), (13, 127795740), (15, 110756308), (20, 83067231), (26, 63897870), (30, 55378154), (39, 42598580), (52, 31948935), (60, 27689077), (65, 25559148), (71, 23399220), (78, 21299290), (130, 12779574), (131, 12682020), (142, 11699610), (156, 10649645), (195, 8519716), (213, 7799740), (229, 7254780), (260, 6389787), (262, 6341010), (284, 5849805), (355, 4679844), (390, 4259858), (393, 4227340), (426, 3899870), (458, 3627390), (524, 3170505), (655, 2536404), (687, 2418260), (710, 2339922), (780, 2129929), (786, 2113670), (852, 1949935), (916, 1813695), (923, 1799940), (1065, 1559948), (1145, 1450956), (1310, 1268202), (1374, 1209130), (1420, 1169961), (1572, 1056835), (1703, 975540), (1846, 899970), (1965, 845468), (2130, 779974), (2290, 725478), (2620, 634101), (2748, 604565), (2769, 599980), (2977, 558060), (3406, 487770), (3435, 483652), (3692, 449985), (3930, 422734), (4260, 389987), (4580, 362739), (4615, 359988), (5109, 325180), (5538, 299990), (5954, 279030), (6812, 243885), (6870, 241826), (7860, 211367), (8515, 195108), (8931, 186020), (9230, 179994), (9301, 178620), (10218, 162590), (11076, 149995), (11908, 139515), (13740, 120913), (13845, 119996), (14885, 111612), (16259, 102180), (17030, 97554), (17862, 93010), (18460, 89997), (18602, 89310), (20436, 81295), (25545, 65036), (27690, 59998), (27903, 59540), (29770, 55806), (29999, 55380), (32518, 51090), (34060, 48777), (35724, 46505), (37204, 44655)]