310980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 895104

約数和(自身を除く): 584124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 73, 142, 146, 213, 219, 284, 292, 355, 365, 426, 438, 710, 730, 852, 876, 1065, 1095, 1420, 1460, 2130, 2190, 4260, 4380, 5183, 10366, 15549, 20732, 25915, 31098, 51830, 62196, 77745, 103660, 155490, 310980]

約数ペア:

[(1, 310980), (2, 155490), (3, 103660), (4, 77745), (5, 62196), (6, 51830), (10, 31098), (12, 25915), (15, 20732), (20, 15549), (30, 10366), (60, 5183), (71, 4380), (73, 4260), (142, 2190), (146, 2130), (213, 1460), (219, 1420), (284, 1095), (292, 1065), (355, 876), (365, 852), (426, 730), (438, 710)]