47542740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 157352832

約数和(自身を除く): 109810092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 103, 105, 140, 147, 157, 196, 206, 210, 245, 294, 309, 314, 412, 420, 471, 490, 515, 588, 618, 628, 721, 735, 785, 942, 980, 1030, 1099, 1236, 1442, 1470, 1545, 1570, 1884, 2060, 2163, 2198, 2355, 2884, 2940, 3090, 3140, 3297, 3605, 4326, 4396, 4710, 5047, 5495, 6180, 6594, 7210, 7693, 8652, 9420, 10094, 10815, 10990, 13188, 14420, 15141, 15386, 16171, 16485, 20188, 21630, 21980, 23079, 25235, 30282, 30772, 32342, 32970, 38465, 43260, 46158, 48513, 50470, 60564, 64684, 65940, 75705, 76930, 80855, 92316, 97026, 100940, 113197, 115395, 151410, 153860, 161710, 194052, 226394, 230790, 242565, 302820, 323420, 339591, 452788, 461580, 485130, 565985, 679182, 792379, 970260, 1131970, 1358364, 1584758, 1697955, 2263940, 2377137, 3169516, 3395910, 3961895, 4754274, 6791820, 7923790, 9508548, 11885685, 15847580, 23771370, 47542740]

約数ペア:

[(1, 47542740), (2, 23771370), (3, 15847580), (4, 11885685), (5, 9508548), (6, 7923790), (7, 6791820), (10, 4754274), (12, 3961895), (14, 3395910), (15, 3169516), (20, 2377137), (21, 2263940), (28, 1697955), (30, 1584758), (35, 1358364), (42, 1131970), (49, 970260), (60, 792379), (70, 679182), (84, 565985), (98, 485130), (103, 461580), (105, 452788), (140, 339591), (147, 323420), (157, 302820), (196, 242565), (206, 230790), (210, 226394), (245, 194052), (294, 161710), (309, 153860), (314, 151410), (412, 115395), (420, 113197), (471, 100940), (490, 97026), (515, 92316), (588, 80855), (618, 76930), (628, 75705), (721, 65940), (735, 64684), (785, 60564), (942, 50470), (980, 48513), (1030, 46158), (1099, 43260), (1236, 38465), (1442, 32970), (1470, 32342), (1545, 30772), (1570, 30282), (1884, 25235), (2060, 23079), (2163, 21980), (2198, 21630), (2355, 20188), (2884, 16485), (2940, 16171), (3090, 15386), (3140, 15141), (3297, 14420), (3605, 13188), (4326, 10990), (4396, 10815), (4710, 10094), (5047, 9420), (5495, 8652), (6180, 7693), (6594, 7210)]