30051920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1212

約数の個数: 80

約数和(自身を含む): 77941440

約数和(自身を除く): 47889520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1163, 1292, 1360, 1520, 1615, 2326, 2584, 3230, 4652, 5168, 5815, 6460, 9304, 11630, 12920, 18608, 19771, 22097, 23260, 25840, 39542, 44194, 46520, 79084, 88388, 93040, 98855, 110485, 158168, 176776, 197710, 220970, 316336, 353552, 375649, 395420, 441940, 751298, 790840, 883880, 1502596, 1581680, 1767760, 1878245, 3005192, 3756490, 6010384, 7512980, 15025960, 30051920]

約数ペア:

[(1, 30051920), (2, 15025960), (4, 7512980), (5, 6010384), (8, 3756490), (10, 3005192), (16, 1878245), (17, 1767760), (19, 1581680), (20, 1502596), (34, 883880), (38, 790840), (40, 751298), (68, 441940), (76, 395420), (80, 375649), (85, 353552), (95, 316336), (136, 220970), (152, 197710), (170, 176776), (190, 158168), (272, 110485), (304, 98855), (323, 93040), (340, 88388), (380, 79084), (646, 46520), (680, 44194), (760, 39542), (1163, 25840), (1292, 23260), (1360, 22097), (1520, 19771), (1615, 18608), (2326, 12920), (2584, 11630), (3230, 9304), (4652, 6460), (5168, 5815)]