140509980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 216

約数和(自身を含む): 479606400

約数和(自身を除く): 339096420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 149, 155, 156, 169, 180, 186, 195, 234, 260, 279, 298, 310, 338, 372, 390, 403, 447, 465, 468, 507, 558, 585, 596, 620, 676, 745, 780, 806, 845, 894, 930, 1014, 1116, 1170, 1209, 1341, 1395, 1490, 1521, 1612, 1690, 1788, 1860, 1937, 2015, 2028, 2235, 2340, 2418, 2535, 2682, 2790, 2980, 3042, 3380, 3627, 3874, 4030, 4470, 4619, 4836, 5070, 5239, 5364, 5580, 5811, 6045, 6084, 6705, 7254, 7605, 7748, 8060, 8940, 9238, 9685, 10140, 10478, 11622, 12090, 13410, 13857, 14508, 15210, 15717, 17433, 18135, 18476, 19370, 20956, 23095, 23244, 24180, 25181, 26195, 26820, 27714, 29055, 30420, 31434, 34866, 36270, 38740, 41571, 46190, 47151, 50362, 52390, 55428, 58110, 60047, 62868, 69285, 69732, 72540, 75543, 78585, 83142, 87165, 92380, 94302, 100724, 104780, 116220, 120094, 125905, 138570, 151086, 157170, 166284, 174330, 180141, 188604, 207855, 226629, 235755, 240188, 251810, 277140, 300235, 302172, 314340, 348660, 360282, 377715, 415710, 453258, 471510, 503620, 540423, 600470, 720564, 755430, 780611, 831420, 900705, 906516, 943020, 1080846, 1133145, 1200940, 1510860, 1561222, 1801410, 2161692, 2266290, 2341833, 2702115, 3122444, 3602820, 3903055, 4532580, 4683666, 5404230, 7025499, 7806110, 9367332, 10808460, 11709165, 14050998, 15612220, 23418330, 28101996, 35127495, 46836660, 70254990, 140509980]

約数ペア:

[(1, 140509980), (2, 70254990), (3, 46836660), (4, 35127495), (5, 28101996), (6, 23418330), (9, 15612220), (10, 14050998), (12, 11709165), (13, 10808460), (15, 9367332), (18, 7806110), (20, 7025499), (26, 5404230), (30, 4683666), (31, 4532580), (36, 3903055), (39, 3602820), (45, 3122444), (52, 2702115), (60, 2341833), (62, 2266290), (65, 2161692), (78, 1801410), (90, 1561222), (93, 1510860), (117, 1200940), (124, 1133145), (130, 1080846), (149, 943020), (155, 906516), (156, 900705), (169, 831420), (180, 780611), (186, 755430), (195, 720564), (234, 600470), (260, 540423), (279, 503620), (298, 471510), (310, 453258), (338, 415710), (372, 377715), (390, 360282), (403, 348660), (447, 314340), (465, 302172), (468, 300235), (507, 277140), (558, 251810), (585, 240188), (596, 235755), (620, 226629), (676, 207855), (745, 188604), (780, 180141), (806, 174330), (845, 166284), (894, 157170), (930, 151086), (1014, 138570), (1116, 125905), (1170, 120094), (1209, 116220), (1341, 104780), (1395, 100724), (1490, 94302), (1521, 92380), (1612, 87165), (1690, 83142), (1788, 78585), (1860, 75543), (1937, 72540), (2015, 69732), (2028, 69285), (2235, 62868), (2340, 60047), (2418, 58110), (2535, 55428), (2682, 52390), (2790, 50362), (2980, 47151), (3042, 46190), (3380, 41571), (3627, 38740), (3874, 36270), (4030, 34866), (4470, 31434), (4619, 30420), (4836, 29055), (5070, 27714), (5239, 26820), (5364, 26195), (5580, 25181), (5811, 24180), (6045, 23244), (6084, 23095), (6705, 20956), (7254, 19370), (7605, 18476), (7748, 18135), (8060, 17433), (8940, 15717), (9238, 15210), (9685, 14508), (10140, 13857), (10478, 13410), (11622, 12090)]