30482920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 77573160

約数和(自身を除く): 47090240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 61, 62, 65, 104, 122, 124, 130, 155, 244, 248, 260, 305, 310, 403, 488, 520, 610, 620, 793, 806, 961, 1220, 1240, 1586, 1612, 1891, 1922, 2015, 2440, 3172, 3224, 3782, 3844, 3965, 4030, 4805, 6344, 7564, 7688, 7930, 8060, 9455, 9610, 12493, 15128, 15860, 16120, 18910, 19220, 24583, 24986, 31720, 37820, 38440, 49166, 49972, 58621, 62465, 75640, 98332, 99944, 117242, 122915, 124930, 196664, 234484, 245830, 249860, 293105, 468968, 491660, 499720, 586210, 762073, 983320, 1172420, 1524146, 2344840, 3048292, 3810365, 6096584, 7620730, 15241460, 30482920]

約数ペア:

[(1, 30482920), (2, 15241460), (4, 7620730), (5, 6096584), (8, 3810365), (10, 3048292), (13, 2344840), (20, 1524146), (26, 1172420), (31, 983320), (40, 762073), (52, 586210), (61, 499720), (62, 491660), (65, 468968), (104, 293105), (122, 249860), (124, 245830), (130, 234484), (155, 196664), (244, 124930), (248, 122915), (260, 117242), (305, 99944), (310, 98332), (403, 75640), (488, 62465), (520, 58621), (610, 49972), (620, 49166), (793, 38440), (806, 37820), (961, 31720), (1220, 24986), (1240, 24583), (1586, 19220), (1612, 18910), (1891, 16120), (1922, 15860), (2015, 15128), (2440, 12493), (3172, 9610), (3224, 9455), (3782, 8060), (3844, 7930), (3965, 7688), (4030, 7564), (4805, 6344)]