30396660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{211}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 99760416

約数和(自身を除く): 69363756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 211, 245, 294, 343, 420, 422, 490, 588, 633, 686, 735, 844, 980, 1029, 1055, 1266, 1372, 1470, 1477, 1715, 2058, 2110, 2401, 2532, 2940, 2954, 3165, 3430, 4116, 4220, 4431, 4802, 5145, 5908, 6330, 6860, 7203, 7385, 8862, 9604, 10290, 10339, 12005, 12660, 14406, 14770, 17724, 20580, 20678, 22155, 24010, 28812, 29540, 31017, 36015, 41356, 44310, 48020, 51695, 62034, 72030, 72373, 88620, 103390, 124068, 144060, 144746, 155085, 206780, 217119, 289492, 310170, 361865, 434238, 506611, 620340, 723730, 868476, 1013222, 1085595, 1447460, 1519833, 2026444, 2171190, 2533055, 3039666, 4342380, 5066110, 6079332, 7599165, 10132220, 15198330, 30396660]

約数ペア:

[(1, 30396660), (2, 15198330), (3, 10132220), (4, 7599165), (5, 6079332), (6, 5066110), (7, 4342380), (10, 3039666), (12, 2533055), (14, 2171190), (15, 2026444), (20, 1519833), (21, 1447460), (28, 1085595), (30, 1013222), (35, 868476), (42, 723730), (49, 620340), (60, 506611), (70, 434238), (84, 361865), (98, 310170), (105, 289492), (140, 217119), (147, 206780), (196, 155085), (210, 144746), (211, 144060), (245, 124068), (294, 103390), (343, 88620), (420, 72373), (422, 72030), (490, 62034), (588, 51695), (633, 48020), (686, 44310), (735, 41356), (844, 36015), (980, 31017), (1029, 29540), (1055, 28812), (1266, 24010), (1372, 22155), (1470, 20678), (1477, 20580), (1715, 17724), (2058, 14770), (2110, 14406), (2401, 12660), (2532, 12005), (2940, 10339), (2954, 10290), (3165, 9604), (3430, 8862), (4116, 7385), (4220, 7203), (4431, 6860), (4802, 6330), (5145, 5908)]