18156711720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{4093}}^1\times {\mathrm{5281}}^1$

素因数の和:9395

約数の個数: 128

約数和(自身を含む): 62278583040

約数和(自身を除く): 44121871320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 4093, 5281, 8186, 10562, 12279, 15843, 16372, 20465, 21124, 24558, 26405, 28651, 31686, 32744, 36967, 40930, 42248, 49116, 52810, 57302, 61395, 63372, 73934, 79215, 81860, 85953, 98232, 105620, 110901, 114604, 122790, 126744, 143255, 147868, 158430, 163720, 171906, 184835, 211240, 221802, 229208, 245580, 286510, 295736, 316860, 343812, 369670, 429765, 443604, 491160, 554505, 573020, 633720, 687624, 739340, 859530, 887208, 1109010, 1146040, 1478680, 1719060, 2218020, 3438120, 4436040, 21615133, 43230266, 64845399, 86460532, 108075665, 129690798, 151305931, 172921064, 216151330, 259381596, 302611862, 324226995, 432302660, 453917793, 518763192, 605223724, 648453990, 756529655, 864605320, 907835586, 1210447448, 1296907980, 1513059310, 1815671172, 2269588965, 2593815960, 3026118620, 3631342344, 4539177930, 6052237240, 9078355860, 18156711720]

約数ペア:

[(1, 18156711720), (2, 9078355860), (3, 6052237240), (4, 4539177930), (5, 3631342344), (6, 3026118620), (7, 2593815960), (8, 2269588965), (10, 1815671172), (12, 1513059310), (14, 1296907980), (15, 1210447448), (20, 907835586), (21, 864605320), (24, 756529655), (28, 648453990), (30, 605223724), (35, 518763192), (40, 453917793), (42, 432302660), (56, 324226995), (60, 302611862), (70, 259381596), (84, 216151330), (105, 172921064), (120, 151305931), (140, 129690798), (168, 108075665), (210, 86460532), (280, 64845399), (420, 43230266), (840, 21615133), (4093, 4436040), (5281, 3438120), (8186, 2218020), (10562, 1719060), (12279, 1478680), (15843, 1146040), (16372, 1109010), (20465, 887208), (21124, 859530), (24558, 739340), (26405, 687624), (28651, 633720), (31686, 573020), (32744, 554505), (36967, 491160), (40930, 443604), (42248, 429765), (49116, 369670), (52810, 343812), (57302, 316860), (61395, 295736), (63372, 286510), (73934, 245580), (79215, 229208), (81860, 221802), (85953, 211240), (98232, 184835), (105620, 171906), (110901, 163720), (114604, 158430), (122790, 147868), (126744, 143255)]