45131220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1597}}^1$

素因数の和:1769

約数の個数: 72

約数和(自身を含む): 137856264

約数和(自身を除く): 92725044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1597, 1884, 2355, 2826, 3140, 3194, 4710, 4791, 5652, 6388, 7065, 7985, 9420, 9582, 14130, 14373, 15970, 19164, 23955, 28260, 28746, 31940, 47910, 57492, 71865, 95820, 143730, 250729, 287460, 501458, 752187, 1002916, 1253645, 1504374, 2256561, 2507290, 3008748, 3760935, 4513122, 5014580, 7521870, 9026244, 11282805, 15043740, 22565610, 45131220]

約数ペア:

[(1, 45131220), (2, 22565610), (3, 15043740), (4, 11282805), (5, 9026244), (6, 7521870), (9, 5014580), (10, 4513122), (12, 3760935), (15, 3008748), (18, 2507290), (20, 2256561), (30, 1504374), (36, 1253645), (45, 1002916), (60, 752187), (90, 501458), (157, 287460), (180, 250729), (314, 143730), (471, 95820), (628, 71865), (785, 57492), (942, 47910), (1413, 31940), (1570, 28746), (1597, 28260), (1884, 23955), (2355, 19164), (2826, 15970), (3140, 14373), (3194, 14130), (4710, 9582), (4791, 9420), (5652, 7985), (6388, 7065)]