30657380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1933}}^1$

素因数の和:2016

約数の個数: 48

約数和(自身を含む): 70505904

約数和(自身を除く): 39848524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 1933, 3172, 3866, 3965, 7732, 7930, 9665, 15860, 19330, 25129, 38660, 50258, 100516, 117913, 125645, 235826, 251290, 471652, 502580, 589565, 1179130, 1532869, 2358260, 3065738, 6131476, 7664345, 15328690, 30657380]

約数ペア:

[(1, 30657380), (2, 15328690), (4, 7664345), (5, 6131476), (10, 3065738), (13, 2358260), (20, 1532869), (26, 1179130), (52, 589565), (61, 502580), (65, 471652), (122, 251290), (130, 235826), (244, 125645), (260, 117913), (305, 100516), (610, 50258), (793, 38660), (1220, 25129), (1586, 19330), (1933, 15860), (3172, 9665), (3866, 7930), (3965, 7732)]