21306590640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{181549}}^1$

素因数の和:181731

約数の個数: 120

約数和(自身を含む): 71994015600

約数和(自身を除く): 50687424960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 163, 180, 240, 326, 360, 489, 652, 720, 815, 978, 1304, 1467, 1630, 1956, 2445, 2608, 2934, 3260, 3912, 4890, 5868, 6520, 7335, 7824, 9780, 11736, 13040, 14670, 19560, 23472, 29340, 39120, 58680, 117360, 181549, 363098, 544647, 726196, 907745, 1089294, 1452392, 1633941, 1815490, 2178588, 2723235, 2904784, 3267882, 3630980, 4357176, 5446470, 6535764, 7261960, 8169705, 8714352, 10892940, 13071528, 14523920, 16339410, 21785880, 26143056, 29592487, 32678820, 43571760, 59184974, 65357640, 88777461, 118369948, 130715280, 147962435, 177554922, 236739896, 266332383, 295924870, 355109844, 443887305, 473479792, 532664766, 591849740, 710219688, 887774610, 1065329532, 1183699480, 1331661915, 1420439376, 1775549220, 2130659064, 2367398960, 2663323830, 3551098440, 4261318128, 5326647660, 7102196880, 10653295320, 21306590640]

約数ペア:

[(1, 21306590640), (2, 10653295320), (3, 7102196880), (4, 5326647660), (5, 4261318128), (6, 3551098440), (8, 2663323830), (9, 2367398960), (10, 2130659064), (12, 1775549220), (15, 1420439376), (16, 1331661915), (18, 1183699480), (20, 1065329532), (24, 887774610), (30, 710219688), (36, 591849740), (40, 532664766), (45, 473479792), (48, 443887305), (60, 355109844), (72, 295924870), (80, 266332383), (90, 236739896), (120, 177554922), (144, 147962435), (163, 130715280), (180, 118369948), (240, 88777461), (326, 65357640), (360, 59184974), (489, 43571760), (652, 32678820), (720, 29592487), (815, 26143056), (978, 21785880), (1304, 16339410), (1467, 14523920), (1630, 13071528), (1956, 10892940), (2445, 8714352), (2608, 8169705), (2934, 7261960), (3260, 6535764), (3912, 5446470), (4890, 4357176), (5868, 3630980), (6520, 3267882), (7335, 2904784), (7824, 2723235), (9780, 2178588), (11736, 1815490), (13040, 1633941), (14670, 1452392), (19560, 1089294), (23472, 907745), (29340, 726196), (39120, 544647), (58680, 363098), (117360, 181549)]