45120020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 111234816

約数和(自身を除く): 66114796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 37, 44, 46, 55, 74, 92, 110, 115, 148, 185, 220, 230, 241, 253, 370, 407, 460, 482, 506, 740, 814, 851, 964, 1012, 1205, 1265, 1628, 1702, 2035, 2410, 2530, 2651, 3404, 4070, 4255, 4820, 5060, 5302, 5543, 8140, 8510, 8917, 9361, 10604, 11086, 13255, 17020, 17834, 18722, 22172, 26510, 27715, 35668, 37444, 44585, 46805, 53020, 55430, 60973, 89170, 93610, 98087, 110860, 121946, 178340, 187220, 196174, 205091, 243892, 304865, 392348, 410182, 490435, 609730, 820364, 980870, 1025455, 1219460, 1961740, 2050910, 2256001, 4101820, 4512002, 9024004, 11280005, 22560010, 45120020]

約数ペア:

[(1, 45120020), (2, 22560010), (4, 11280005), (5, 9024004), (10, 4512002), (11, 4101820), (20, 2256001), (22, 2050910), (23, 1961740), (37, 1219460), (44, 1025455), (46, 980870), (55, 820364), (74, 609730), (92, 490435), (110, 410182), (115, 392348), (148, 304865), (185, 243892), (220, 205091), (230, 196174), (241, 187220), (253, 178340), (370, 121946), (407, 110860), (460, 98087), (482, 93610), (506, 89170), (740, 60973), (814, 55430), (851, 53020), (964, 46805), (1012, 44585), (1205, 37444), (1265, 35668), (1628, 27715), (1702, 26510), (2035, 22172), (2410, 18722), (2530, 17834), (2651, 17020), (3404, 13255), (4070, 11086), (4255, 10604), (4820, 9361), (5060, 8917), (5302, 8510), (5543, 8140)]