30295160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 78390720

約数和(自身を除く): 48095560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 257, 280, 421, 514, 842, 1028, 1285, 1684, 1799, 2056, 2105, 2570, 2947, 3368, 3598, 4210, 5140, 5894, 7196, 8420, 8995, 10280, 11788, 14392, 14735, 16840, 17990, 23576, 29470, 35980, 58940, 71960, 108197, 117880, 216394, 432788, 540985, 757379, 865576, 1081970, 1514758, 2163940, 3029516, 3786895, 4327880, 6059032, 7573790, 15147580, 30295160]

約数ペア:

[(1, 30295160), (2, 15147580), (4, 7573790), (5, 6059032), (7, 4327880), (8, 3786895), (10, 3029516), (14, 2163940), (20, 1514758), (28, 1081970), (35, 865576), (40, 757379), (56, 540985), (70, 432788), (140, 216394), (257, 117880), (280, 108197), (421, 71960), (514, 58940), (842, 35980), (1028, 29470), (1285, 23576), (1684, 17990), (1799, 16840), (2056, 14735), (2105, 14392), (2570, 11788), (2947, 10280), (3368, 8995), (3598, 8420), (4210, 7196), (5140, 5894)]