30661040

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^2\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 60

約数和(自身を含む): 73178352

約数和(自身を除く): 42517312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 103, 122, 206, 244, 305, 412, 488, 515, 610, 824, 976, 1030, 1220, 1648, 2060, 2440, 3721, 4120, 4880, 6283, 7442, 8240, 12566, 14884, 18605, 25132, 29768, 31415, 37210, 50264, 59536, 62830, 74420, 100528, 125660, 148840, 251320, 297680, 383263, 502640, 766526, 1533052, 1916315, 3066104, 3832630, 6132208, 7665260, 15330520, 30661040]

約数ペア:

[(1, 30661040), (2, 15330520), (4, 7665260), (5, 6132208), (8, 3832630), (10, 3066104), (16, 1916315), (20, 1533052), (40, 766526), (61, 502640), (80, 383263), (103, 297680), (122, 251320), (206, 148840), (244, 125660), (305, 100528), (412, 74420), (488, 62830), (515, 59536), (610, 50264), (824, 37210), (976, 31415), (1030, 29768), (1220, 25132), (1648, 18605), (2060, 14884), (2440, 12566), (3721, 8240), (4120, 7442), (4880, 6283)]