30503480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 81259200

約数和(自身を除く): 50755720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 79, 98, 140, 158, 196, 197, 245, 280, 316, 392, 394, 395, 490, 553, 632, 788, 790, 980, 985, 1106, 1379, 1576, 1580, 1960, 1970, 2212, 2758, 2765, 3160, 3871, 3940, 4424, 5516, 5530, 6895, 7742, 7880, 9653, 11032, 11060, 13790, 15484, 15563, 19306, 19355, 22120, 27580, 30968, 31126, 38612, 38710, 48265, 55160, 62252, 77224, 77420, 77815, 96530, 108941, 124504, 154840, 155630, 193060, 217882, 311260, 386120, 435764, 544705, 622520, 762587, 871528, 1089410, 1525174, 2178820, 3050348, 3812935, 4357640, 6100696, 7625870, 15251740, 30503480]

約数ペア:

[(1, 30503480), (2, 15251740), (4, 7625870), (5, 6100696), (7, 4357640), (8, 3812935), (10, 3050348), (14, 2178820), (20, 1525174), (28, 1089410), (35, 871528), (40, 762587), (49, 622520), (56, 544705), (70, 435764), (79, 386120), (98, 311260), (140, 217882), (158, 193060), (196, 155630), (197, 154840), (245, 124504), (280, 108941), (316, 96530), (392, 77815), (394, 77420), (395, 77224), (490, 62252), (553, 55160), (632, 48265), (788, 38710), (790, 38612), (980, 31126), (985, 30968), (1106, 27580), (1379, 22120), (1576, 19355), (1580, 19306), (1960, 15563), (1970, 15484), (2212, 13790), (2758, 11060), (2765, 11032), (3160, 9653), (3871, 7880), (3940, 7742), (4424, 6895), (5516, 5530)]