138294240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:625

約数の個数: 192

約数和(自身を含む): 505128960

約数和(自身を除く): 366834720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 79, 80, 84, 96, 105, 112, 120, 140, 158, 160, 168, 210, 224, 237, 240, 280, 316, 336, 395, 420, 474, 480, 521, 553, 560, 632, 672, 790, 840, 948, 1042, 1106, 1120, 1185, 1264, 1563, 1580, 1659, 1680, 1896, 2084, 2212, 2370, 2528, 2605, 2765, 3126, 3160, 3318, 3360, 3647, 3792, 4168, 4424, 4740, 5210, 5530, 6252, 6320, 6636, 7294, 7584, 7815, 8295, 8336, 8848, 9480, 10420, 10941, 11060, 12504, 12640, 13272, 14588, 15630, 16590, 16672, 17696, 18235, 18960, 20840, 21882, 22120, 25008, 26544, 29176, 31260, 33180, 36470, 37920, 41159, 41680, 43764, 44240, 50016, 53088, 54705, 58352, 62520, 66360, 72940, 82318, 83360, 87528, 88480, 109410, 116704, 123477, 125040, 132720, 145880, 164636, 175056, 205795, 218820, 246954, 250080, 265440, 288113, 291760, 329272, 350112, 411590, 437640, 493908, 576226, 583520, 617385, 658544, 823180, 864339, 875280, 987816, 1152452, 1234770, 1317088, 1440565, 1646360, 1728678, 1750560, 1975632, 2304904, 2469540, 2881130, 3292720, 3457356, 3951264, 4321695, 4609808, 4939080, 5762260, 6585440, 6914712, 8643390, 9219616, 9878160, 11524520, 13829424, 17286780, 19756320, 23049040, 27658848, 34573560, 46098080, 69147120, 138294240]

約数ペア:

[(1, 138294240), (2, 69147120), (3, 46098080), (4, 34573560), (5, 27658848), (6, 23049040), (7, 19756320), (8, 17286780), (10, 13829424), (12, 11524520), (14, 9878160), (15, 9219616), (16, 8643390), (20, 6914712), (21, 6585440), (24, 5762260), (28, 4939080), (30, 4609808), (32, 4321695), (35, 3951264), (40, 3457356), (42, 3292720), (48, 2881130), (56, 2469540), (60, 2304904), (70, 1975632), (79, 1750560), (80, 1728678), (84, 1646360), (96, 1440565), (105, 1317088), (112, 1234770), (120, 1152452), (140, 987816), (158, 875280), (160, 864339), (168, 823180), (210, 658544), (224, 617385), (237, 583520), (240, 576226), (280, 493908), (316, 437640), (336, 411590), (395, 350112), (420, 329272), (474, 291760), (480, 288113), (521, 265440), (553, 250080), (560, 246954), (632, 218820), (672, 205795), (790, 175056), (840, 164636), (948, 145880), (1042, 132720), (1106, 125040), (1120, 123477), (1185, 116704), (1264, 109410), (1563, 88480), (1580, 87528), (1659, 83360), (1680, 82318), (1896, 72940), (2084, 66360), (2212, 62520), (2370, 58352), (2528, 54705), (2605, 53088), (2765, 50016), (3126, 44240), (3160, 43764), (3318, 41680), (3360, 41159), (3647, 37920), (3792, 36470), (4168, 33180), (4424, 31260), (4740, 29176), (5210, 26544), (5530, 25008), (6252, 22120), (6320, 21882), (6636, 20840), (7294, 18960), (7584, 18235), (7815, 17696), (8295, 16672), (8336, 16590), (8848, 15630), (9480, 14588), (10420, 13272), (10941, 12640), (11060, 12504)]