18798090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:128

約数の個数: 128

約数和(自身を含む): 52254720

約数和(自身を除く): 33456630

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 29, 30, 31, 34, 41, 51, 58, 62, 82, 85, 87, 93, 102, 123, 145, 155, 170, 174, 186, 205, 246, 255, 290, 310, 410, 435, 465, 493, 510, 527, 615, 697, 870, 899, 930, 986, 1054, 1189, 1230, 1271, 1394, 1479, 1581, 1798, 2091, 2378, 2465, 2542, 2635, 2697, 2958, 3162, 3485, 3567, 3813, 4182, 4495, 4930, 5270, 5394, 5945, 6355, 6970, 7134, 7395, 7626, 7905, 8990, 10455, 11890, 12710, 13485, 14790, 15283, 15810, 17835, 19065, 20213, 20910, 21607, 26970, 30566, 35670, 36859, 38130, 40426, 43214, 45849, 60639, 64821, 73718, 76415, 91698, 101065, 108035, 110577, 121278, 129642, 152830, 184295, 202130, 216070, 221154, 229245, 303195, 324105, 368590, 458490, 552885, 606390, 626603, 648210, 1105770, 1253206, 1879809, 3133015, 3759618, 6266030, 9399045, 18798090]

約数ペア:

[(1, 18798090), (2, 9399045), (3, 6266030), (5, 3759618), (6, 3133015), (10, 1879809), (15, 1253206), (17, 1105770), (29, 648210), (30, 626603), (31, 606390), (34, 552885), (41, 458490), (51, 368590), (58, 324105), (62, 303195), (82, 229245), (85, 221154), (87, 216070), (93, 202130), (102, 184295), (123, 152830), (145, 129642), (155, 121278), (170, 110577), (174, 108035), (186, 101065), (205, 91698), (246, 76415), (255, 73718), (290, 64821), (310, 60639), (410, 45849), (435, 43214), (465, 40426), (493, 38130), (510, 36859), (527, 35670), (615, 30566), (697, 26970), (870, 21607), (899, 20910), (930, 20213), (986, 19065), (1054, 17835), (1189, 15810), (1230, 15283), (1271, 14790), (1394, 13485), (1479, 12710), (1581, 11890), (1798, 10455), (2091, 8990), (2378, 7905), (2465, 7626), (2542, 7395), (2635, 7134), (2697, 6970), (2958, 6355), (3162, 5945), (3485, 5394), (3567, 5270), (3813, 4930), (4182, 4495)]