639896880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{54413}}^1$

素因数の和:54443

約数の個数: 120

約数和(自身を含む): 2307588912

約数和(自身を除く): 1667692032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 54413, 108826, 163239, 217652, 272065, 326478, 380891, 435304, 544130, 652956, 761782, 816195, 870608, 1088260, 1142673, 1305912, 1523564, 1632390, 1904455, 2176520, 2285346, 2611824, 2666237, 3047128, 3264780, 3808910, 4353040, 4570692, 5332474, 5713365, 6094256, 6529560, 7617820, 7998711, 9141384, 10664948, 11426730, 13059120, 13331185, 15235640, 15997422, 18282768, 21329896, 22853460, 26662370, 30471280, 31994844, 39993555, 42659792, 45706920, 53324740, 63989688, 79987110, 91413840, 106649480, 127979376, 159974220, 213298960, 319948440, 639896880]

約数ペア:

[(1, 639896880), (2, 319948440), (3, 213298960), (4, 159974220), (5, 127979376), (6, 106649480), (7, 91413840), (8, 79987110), (10, 63989688), (12, 53324740), (14, 45706920), (15, 42659792), (16, 39993555), (20, 31994844), (21, 30471280), (24, 26662370), (28, 22853460), (30, 21329896), (35, 18282768), (40, 15997422), (42, 15235640), (48, 13331185), (49, 13059120), (56, 11426730), (60, 10664948), (70, 9141384), (80, 7998711), (84, 7617820), (98, 6529560), (105, 6094256), (112, 5713365), (120, 5332474), (140, 4570692), (147, 4353040), (168, 3808910), (196, 3264780), (210, 3047128), (240, 2666237), (245, 2611824), (280, 2285346), (294, 2176520), (336, 1904455), (392, 1632390), (420, 1523564), (490, 1305912), (560, 1142673), (588, 1088260), (735, 870608), (784, 816195), (840, 761782), (980, 652956), (1176, 544130), (1470, 435304), (1680, 380891), (1960, 326478), (2352, 272065), (2940, 217652), (3920, 163239), (5880, 108826), (11760, 54413)]