71017380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 248451840

約数和(自身を除く): 177434460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 157, 180, 210, 252, 314, 315, 359, 420, 471, 628, 630, 718, 785, 942, 1077, 1099, 1260, 1413, 1436, 1570, 1795, 1884, 2154, 2198, 2355, 2513, 2826, 3140, 3231, 3297, 3590, 4308, 4396, 4710, 5026, 5385, 5495, 5652, 6462, 6594, 7065, 7180, 7539, 9420, 9891, 10052, 10770, 10990, 12565, 12924, 13188, 14130, 15078, 16155, 16485, 19782, 21540, 21980, 22617, 25130, 28260, 30156, 32310, 32970, 37695, 39564, 45234, 49455, 50260, 56363, 64620, 65940, 75390, 90468, 98910, 112726, 113085, 150780, 169089, 197820, 225452, 226170, 281815, 338178, 394541, 452340, 507267, 563630, 676356, 789082, 845445, 1014534, 1127260, 1183623, 1578164, 1690890, 1972705, 2029068, 2367246, 2536335, 3381780, 3550869, 3945410, 4734492, 5072670, 5918115, 7101738, 7890820, 10145340, 11836230, 14203476, 17754345, 23672460, 35508690, 71017380]

約数ペア:

[(1, 71017380), (2, 35508690), (3, 23672460), (4, 17754345), (5, 14203476), (6, 11836230), (7, 10145340), (9, 7890820), (10, 7101738), (12, 5918115), (14, 5072670), (15, 4734492), (18, 3945410), (20, 3550869), (21, 3381780), (28, 2536335), (30, 2367246), (35, 2029068), (36, 1972705), (42, 1690890), (45, 1578164), (60, 1183623), (63, 1127260), (70, 1014534), (84, 845445), (90, 789082), (105, 676356), (126, 563630), (140, 507267), (157, 452340), (180, 394541), (210, 338178), (252, 281815), (314, 226170), (315, 225452), (359, 197820), (420, 169089), (471, 150780), (628, 113085), (630, 112726), (718, 98910), (785, 90468), (942, 75390), (1077, 65940), (1099, 64620), (1260, 56363), (1413, 50260), (1436, 49455), (1570, 45234), (1795, 39564), (1884, 37695), (2154, 32970), (2198, 32310), (2355, 30156), (2513, 28260), (2826, 25130), (3140, 22617), (3231, 21980), (3297, 21540), (3590, 19782), (4308, 16485), (4396, 16155), (4710, 15078), (5026, 14130), (5385, 13188), (5495, 12924), (5652, 12565), (6462, 10990), (6594, 10770), (7065, 10052), (7180, 9891), (7539, 9420)]