212649660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 665394912

約数和(自身を除く): 452745252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 107, 122, 180, 181, 183, 214, 244, 305, 321, 362, 366, 428, 535, 543, 549, 610, 642, 724, 732, 905, 915, 963, 1070, 1086, 1098, 1220, 1284, 1605, 1629, 1810, 1830, 1926, 2140, 2172, 2196, 2715, 2745, 3210, 3258, 3620, 3660, 3852, 4815, 5430, 5490, 6420, 6516, 6527, 8145, 9630, 10860, 10980, 11041, 13054, 16290, 19260, 19367, 19581, 22082, 26108, 32580, 32635, 33123, 38734, 39162, 44164, 55205, 58101, 58743, 65270, 66246, 77468, 78324, 96835, 97905, 99369, 110410, 116202, 117486, 130540, 132492, 165615, 174303, 193670, 195810, 198738, 220820, 232404, 234972, 290505, 293715, 331230, 348606, 387340, 391620, 397476, 496845, 581010, 587430, 662460, 697212, 871515, 993690, 1162020, 1174860, 1181387, 1743030, 1987380, 2362774, 3486060, 3544161, 4725548, 5906935, 7088322, 10632483, 11813870, 14176644, 17720805, 21264966, 23627740, 35441610, 42529932, 53162415, 70883220, 106324830, 212649660]

約数ペア:

[(1, 212649660), (2, 106324830), (3, 70883220), (4, 53162415), (5, 42529932), (6, 35441610), (9, 23627740), (10, 21264966), (12, 17720805), (15, 14176644), (18, 11813870), (20, 10632483), (30, 7088322), (36, 5906935), (45, 4725548), (60, 3544161), (61, 3486060), (90, 2362774), (107, 1987380), (122, 1743030), (180, 1181387), (181, 1174860), (183, 1162020), (214, 993690), (244, 871515), (305, 697212), (321, 662460), (362, 587430), (366, 581010), (428, 496845), (535, 397476), (543, 391620), (549, 387340), (610, 348606), (642, 331230), (724, 293715), (732, 290505), (905, 234972), (915, 232404), (963, 220820), (1070, 198738), (1086, 195810), (1098, 193670), (1220, 174303), (1284, 165615), (1605, 132492), (1629, 130540), (1810, 117486), (1830, 116202), (1926, 110410), (2140, 99369), (2172, 97905), (2196, 96835), (2715, 78324), (2745, 77468), (3210, 66246), (3258, 65270), (3620, 58743), (3660, 58101), (3852, 55205), (4815, 44164), (5430, 39162), (5490, 38734), (6420, 33123), (6516, 32635), (6527, 32580), (8145, 26108), (9630, 22082), (10860, 19581), (10980, 19367), (11041, 19260), (13054, 16290)]