20180930910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1223}}^1\times {\mathrm{78577}}^1$

素因数の和:79817

約数の個数: 64

約数和(自身を含む): 55399375872

約数和(自身を除く): 35218444962

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1223, 2446, 3669, 6115, 7338, 8561, 12230, 17122, 18345, 25683, 36690, 42805, 51366, 78577, 85610, 128415, 157154, 235731, 256830, 392885, 471462, 550039, 785770, 1100078, 1178655, 1650117, 2357310, 2750195, 3300234, 5500390, 8250585, 16501170, 96099671, 192199342, 288299013, 480498355, 576598026, 672697697, 960996710, 1345395394, 1441495065, 2018093091, 2882990130, 3363488485, 4036186182, 6726976970, 10090465455, 20180930910]

約数ペア:

[(1, 20180930910), (2, 10090465455), (3, 6726976970), (5, 4036186182), (6, 3363488485), (7, 2882990130), (10, 2018093091), (14, 1441495065), (15, 1345395394), (21, 960996710), (30, 672697697), (35, 576598026), (42, 480498355), (70, 288299013), (105, 192199342), (210, 96099671), (1223, 16501170), (2446, 8250585), (3669, 5500390), (6115, 3300234), (7338, 2750195), (8561, 2357310), (12230, 1650117), (17122, 1178655), (18345, 1100078), (25683, 785770), (36690, 550039), (42805, 471462), (51366, 392885), (78577, 256830), (85610, 235731), (128415, 157154)]