30938320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{547}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 83173248

約数和(自身を除く): 52234928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 547, 560, 707, 808, 1010, 1094, 1414, 1616, 2020, 2188, 2735, 2828, 3535, 3829, 4040, 4376, 5470, 5656, 7070, 7658, 8080, 8752, 10940, 11312, 14140, 15316, 19145, 21880, 28280, 30632, 38290, 43760, 55247, 56560, 61264, 76580, 110494, 153160, 220988, 276235, 306320, 386729, 441976, 552470, 773458, 883952, 1104940, 1546916, 1933645, 2209880, 3093832, 3867290, 4419760, 6187664, 7734580, 15469160, 30938320]

約数ペア:

[(1, 30938320), (2, 15469160), (4, 7734580), (5, 6187664), (7, 4419760), (8, 3867290), (10, 3093832), (14, 2209880), (16, 1933645), (20, 1546916), (28, 1104940), (35, 883952), (40, 773458), (56, 552470), (70, 441976), (80, 386729), (101, 306320), (112, 276235), (140, 220988), (202, 153160), (280, 110494), (404, 76580), (505, 61264), (547, 56560), (560, 55247), (707, 43760), (808, 38290), (1010, 30632), (1094, 28280), (1414, 21880), (1616, 19145), (2020, 15316), (2188, 14140), (2735, 11312), (2828, 10940), (3535, 8752), (3829, 8080), (4040, 7658), (4376, 7070), (5470, 5656)]