30371320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3499}}^1$

素因数の和:3548

約数の個数: 64

約数和(自身を含む): 80640000

約数和(自身を除く): 50268680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 3499, 4340, 6998, 8680, 13996, 17495, 24493, 27992, 34990, 48986, 69980, 97972, 108469, 122465, 139960, 195944, 216938, 244930, 433876, 489860, 542345, 759283, 867752, 979720, 1084690, 1518566, 2169380, 3037132, 3796415, 4338760, 6074264, 7592830, 15185660, 30371320]

約数ペア:

[(1, 30371320), (2, 15185660), (4, 7592830), (5, 6074264), (7, 4338760), (8, 3796415), (10, 3037132), (14, 2169380), (20, 1518566), (28, 1084690), (31, 979720), (35, 867752), (40, 759283), (56, 542345), (62, 489860), (70, 433876), (124, 244930), (140, 216938), (155, 195944), (217, 139960), (248, 122465), (280, 108469), (310, 97972), (434, 69980), (620, 48986), (868, 34990), (1085, 27992), (1240, 24493), (1736, 17495), (2170, 13996), (3499, 8680), (4340, 6998)]