71489820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:411

約数の個数: 96

約数和(自身を含む): 207277056

約数和(自身を除く): 135787236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 101, 141, 188, 202, 235, 251, 282, 303, 404, 470, 502, 505, 564, 606, 705, 753, 940, 1004, 1010, 1212, 1255, 1410, 1506, 1515, 2020, 2510, 2820, 3012, 3030, 3765, 4747, 5020, 6060, 7530, 9494, 11797, 14241, 15060, 18988, 23594, 23735, 25351, 28482, 35391, 47188, 47470, 50702, 56964, 58985, 70782, 71205, 76053, 94940, 101404, 117970, 126755, 141564, 142410, 152106, 176955, 235940, 253510, 284820, 304212, 353910, 380265, 507020, 707820, 760530, 1191497, 1521060, 2382994, 3574491, 4765988, 5957485, 7148982, 11914970, 14297964, 17872455, 23829940, 35744910, 71489820]

約数ペア:

[(1, 71489820), (2, 35744910), (3, 23829940), (4, 17872455), (5, 14297964), (6, 11914970), (10, 7148982), (12, 5957485), (15, 4765988), (20, 3574491), (30, 2382994), (47, 1521060), (60, 1191497), (94, 760530), (101, 707820), (141, 507020), (188, 380265), (202, 353910), (235, 304212), (251, 284820), (282, 253510), (303, 235940), (404, 176955), (470, 152106), (502, 142410), (505, 141564), (564, 126755), (606, 117970), (705, 101404), (753, 94940), (940, 76053), (1004, 71205), (1010, 70782), (1212, 58985), (1255, 56964), (1410, 50702), (1506, 47470), (1515, 47188), (2020, 35391), (2510, 28482), (2820, 25351), (3012, 23735), (3030, 23594), (3765, 18988), (4747, 15060), (5020, 14241), (6060, 11797), (7530, 9494)]