720483540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:594

約数の個数: 192

約数和(自身を含む): 2407104000

約数和(自身を除く): 1686620460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 149, 174, 203, 210, 290, 298, 348, 397, 406, 420, 435, 447, 580, 596, 609, 745, 794, 812, 870, 894, 1015, 1043, 1191, 1218, 1490, 1588, 1740, 1788, 1985, 2030, 2086, 2235, 2382, 2436, 2779, 2980, 3045, 3129, 3970, 4060, 4172, 4321, 4470, 4764, 5215, 5558, 5955, 6090, 6258, 7940, 8337, 8642, 8940, 10430, 11116, 11513, 11910, 12180, 12516, 12963, 13895, 15645, 16674, 17284, 20860, 21605, 23026, 23820, 25926, 27790, 30247, 31290, 33348, 34539, 41685, 43210, 46052, 51852, 55580, 57565, 59153, 60494, 62580, 64815, 69078, 80591, 83370, 86420, 90741, 115130, 118306, 120988, 129630, 138156, 151235, 161182, 166740, 172695, 177459, 181482, 230260, 236612, 241773, 259260, 295765, 302470, 322364, 345390, 354918, 362964, 402955, 414071, 453705, 483546, 591530, 604940, 690780, 709836, 805910, 828142, 887295, 907410, 967092, 1183060, 1208865, 1242213, 1611820, 1656284, 1715437, 1774590, 1814820, 2070355, 2417730, 2484426, 3430874, 3549180, 4140710, 4835460, 4968852, 5146311, 6211065, 6861748, 8281420, 8577185, 10292622, 12008059, 12422130, 17154370, 20585244, 24016118, 24844260, 25731555, 34308740, 36024177, 48032236, 51463110, 60040295, 72048354, 102926220, 120080590, 144096708, 180120885, 240161180, 360241770, 720483540]

約数ペア:

[(1, 720483540), (2, 360241770), (3, 240161180), (4, 180120885), (5, 144096708), (6, 120080590), (7, 102926220), (10, 72048354), (12, 60040295), (14, 51463110), (15, 48032236), (20, 36024177), (21, 34308740), (28, 25731555), (29, 24844260), (30, 24016118), (35, 20585244), (42, 17154370), (58, 12422130), (60, 12008059), (70, 10292622), (84, 8577185), (87, 8281420), (105, 6861748), (116, 6211065), (140, 5146311), (145, 4968852), (149, 4835460), (174, 4140710), (203, 3549180), (210, 3430874), (290, 2484426), (298, 2417730), (348, 2070355), (397, 1814820), (406, 1774590), (420, 1715437), (435, 1656284), (447, 1611820), (580, 1242213), (596, 1208865), (609, 1183060), (745, 967092), (794, 907410), (812, 887295), (870, 828142), (894, 805910), (1015, 709836), (1043, 690780), (1191, 604940), (1218, 591530), (1490, 483546), (1588, 453705), (1740, 414071), (1788, 402955), (1985, 362964), (2030, 354918), (2086, 345390), (2235, 322364), (2382, 302470), (2436, 295765), (2779, 259260), (2980, 241773), (3045, 236612), (3129, 230260), (3970, 181482), (4060, 177459), (4172, 172695), (4321, 166740), (4470, 161182), (4764, 151235), (5215, 138156), (5558, 129630), (5955, 120988), (6090, 118306), (6258, 115130), (7940, 90741), (8337, 86420), (8642, 83370), (8940, 80591), (10430, 69078), (11116, 64815), (11513, 62580), (11910, 60494), (12180, 59153), (12516, 57565), (12963, 55580), (13895, 51852), (15645, 46052), (16674, 43210), (17284, 41685), (20860, 34539), (21605, 33348), (23026, 31290), (23820, 30247), (25926, 27790)]