645983208

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 256

約数和(自身を含む): 2054707200

約数和(自身を除く): 1408723992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 31, 36, 39, 41, 52, 54, 62, 72, 78, 82, 93, 104, 108, 117, 123, 124, 156, 164, 181, 186, 216, 234, 246, 248, 279, 312, 328, 351, 362, 369, 372, 403, 468, 492, 533, 543, 558, 702, 724, 738, 744, 806, 837, 936, 984, 1066, 1086, 1107, 1116, 1209, 1271, 1404, 1448, 1476, 1599, 1612, 1629, 1674, 2132, 2172, 2214, 2232, 2353, 2418, 2542, 2808, 2952, 3198, 3224, 3258, 3348, 3627, 3813, 4264, 4344, 4428, 4706, 4797, 4836, 4887, 5084, 5611, 6396, 6516, 6696, 7059, 7254, 7421, 7626, 8856, 9412, 9594, 9672, 9774, 10168, 10881, 11222, 11439, 12792, 13032, 14118, 14391, 14508, 14842, 15252, 16523, 16833, 18824, 19188, 19548, 21177, 21762, 22263, 22444, 22878, 28236, 28782, 29016, 29684, 30504, 33046, 33666, 34317, 38376, 39096, 42354, 43524, 44526, 44888, 45756, 49569, 50499, 56472, 57564, 59368, 63531, 66092, 66789, 67332, 68634, 72943, 84708, 87048, 89052, 91512, 96473, 99138, 100998, 115128, 127062, 132184, 133578, 134664, 137268, 145886, 148707, 151497, 169416, 178104, 192946, 198276, 200367, 201996, 218829, 230051, 254124, 267156, 274536, 289419, 291772, 297414, 302994, 385892, 396552, 400734, 403992, 437658, 446121, 460102, 508248, 534312, 578838, 583544, 594828, 605988, 656487, 690153, 771784, 801468, 868257, 875316, 892242, 920204, 1157676, 1189656, 1211976, 1312974, 1380306, 1602936, 1736514, 1750632, 1784484, 1840408, 1969461, 2070459, 2315352, 2604771, 2625948, 2760612, 2990663, 3473028, 3568968, 3938922, 4140918, 5209542, 5251896, 5521224, 5981326, 6211377, 6946056, 7877844, 8281836, 8971989, 10419084, 11962652, 12422754, 15755688, 16563672, 17943978, 20838168, 23925304, 24845508, 26915967, 35887956, 49691016, 53831934, 71775912, 80747901, 107663868, 161495802, 215327736, 322991604, 645983208]

約数ペア:

[(1, 645983208), (2, 322991604), (3, 215327736), (4, 161495802), (6, 107663868), (8, 80747901), (9, 71775912), (12, 53831934), (13, 49691016), (18, 35887956), (24, 26915967), (26, 24845508), (27, 23925304), (31, 20838168), (36, 17943978), (39, 16563672), (41, 15755688), (52, 12422754), (54, 11962652), (62, 10419084), (72, 8971989), (78, 8281836), (82, 7877844), (93, 6946056), (104, 6211377), (108, 5981326), (117, 5521224), (123, 5251896), (124, 5209542), (156, 4140918), (164, 3938922), (181, 3568968), (186, 3473028), (216, 2990663), (234, 2760612), (246, 2625948), (248, 2604771), (279, 2315352), (312, 2070459), (328, 1969461), (351, 1840408), (362, 1784484), (369, 1750632), (372, 1736514), (403, 1602936), (468, 1380306), (492, 1312974), (533, 1211976), (543, 1189656), (558, 1157676), (702, 920204), (724, 892242), (738, 875316), (744, 868257), (806, 801468), (837, 771784), (936, 690153), (984, 656487), (1066, 605988), (1086, 594828), (1107, 583544), (1116, 578838), (1209, 534312), (1271, 508248), (1404, 460102), (1448, 446121), (1476, 437658), (1599, 403992), (1612, 400734), (1629, 396552), (1674, 385892), (2132, 302994), (2172, 297414), (2214, 291772), (2232, 289419), (2353, 274536), (2418, 267156), (2542, 254124), (2808, 230051), (2952, 218829), (3198, 201996), (3224, 200367), (3258, 198276), (3348, 192946), (3627, 178104), (3813, 169416), (4264, 151497), (4344, 148707), (4428, 145886), (4706, 137268), (4797, 134664), (4836, 133578), (4887, 132184), (5084, 127062), (5611, 115128), (6396, 100998), (6516, 99138), (6696, 96473), (7059, 91512), (7254, 89052), (7421, 87048), (7626, 84708), (8856, 72943), (9412, 68634), (9594, 67332), (9672, 66789), (9774, 66092), (10168, 63531), (10881, 59368), (11222, 57564), (11439, 56472), (12792, 50499), (13032, 49569), (14118, 45756), (14391, 44888), (14508, 44526), (14842, 43524), (15252, 42354), (16523, 39096), (16833, 38376), (18824, 34317), (19188, 33666), (19548, 33046), (21177, 30504), (21762, 29684), (22263, 29016), (22444, 28782), (22878, 28236)]