218439960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:825

約数の個数: 128

約数和(自身を含む): 695520000

約数和(自身を除く): 477080040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 149, 152, 190, 228, 285, 298, 380, 447, 456, 570, 596, 643, 745, 760, 894, 1140, 1192, 1286, 1490, 1788, 1929, 2235, 2280, 2572, 2831, 2980, 3215, 3576, 3858, 4470, 5144, 5662, 5960, 6430, 7716, 8493, 8940, 9645, 11324, 12217, 12860, 14155, 15432, 16986, 17880, 19290, 22648, 24434, 25720, 28310, 33972, 36651, 38580, 42465, 48868, 56620, 61085, 67944, 73302, 77160, 84930, 95807, 97736, 113240, 122170, 146604, 169860, 183255, 191614, 244340, 287421, 293208, 339720, 366510, 383228, 479035, 488680, 574842, 733020, 766456, 958070, 1149684, 1437105, 1466040, 1820333, 1916140, 2299368, 2874210, 3640666, 3832280, 5460999, 5748420, 7281332, 9101665, 10921998, 11496840, 14562664, 18203330, 21843996, 27304995, 36406660, 43687992, 54609990, 72813320, 109219980, 218439960]

約数ペア:

[(1, 218439960), (2, 109219980), (3, 72813320), (4, 54609990), (5, 43687992), (6, 36406660), (8, 27304995), (10, 21843996), (12, 18203330), (15, 14562664), (19, 11496840), (20, 10921998), (24, 9101665), (30, 7281332), (38, 5748420), (40, 5460999), (57, 3832280), (60, 3640666), (76, 2874210), (95, 2299368), (114, 1916140), (120, 1820333), (149, 1466040), (152, 1437105), (190, 1149684), (228, 958070), (285, 766456), (298, 733020), (380, 574842), (447, 488680), (456, 479035), (570, 383228), (596, 366510), (643, 339720), (745, 293208), (760, 287421), (894, 244340), (1140, 191614), (1192, 183255), (1286, 169860), (1490, 146604), (1788, 122170), (1929, 113240), (2235, 97736), (2280, 95807), (2572, 84930), (2831, 77160), (2980, 73302), (3215, 67944), (3576, 61085), (3858, 56620), (4470, 48868), (5144, 42465), (5662, 38580), (5960, 36651), (6430, 33972), (7716, 28310), (8493, 25720), (8940, 24434), (9645, 22648), (11324, 19290), (12217, 17880), (12860, 16986), (14155, 15432)]