30720222

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:559

約数の個数: 80

約数和(自身を含む): 76839840

約数和(自身を除く): 46119618

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 29, 39, 54, 58, 78, 81, 87, 117, 162, 174, 234, 261, 351, 377, 503, 522, 702, 754, 783, 1006, 1053, 1131, 1509, 1566, 2106, 2262, 2349, 3018, 3393, 4527, 4698, 6539, 6786, 9054, 10179, 13078, 13581, 14587, 19617, 20358, 27162, 29174, 30537, 39234, 40743, 43761, 58851, 61074, 81486, 87522, 117702, 131283, 176553, 189631, 262566, 353106, 379262, 393849, 529659, 568893, 787698, 1059318, 1137786, 1181547, 1706679, 2363094, 3413358, 5120037, 10240074, 15360111, 30720222]

約数ペア:

[(1, 30720222), (2, 15360111), (3, 10240074), (6, 5120037), (9, 3413358), (13, 2363094), (18, 1706679), (26, 1181547), (27, 1137786), (29, 1059318), (39, 787698), (54, 568893), (58, 529659), (78, 393849), (81, 379262), (87, 353106), (117, 262566), (162, 189631), (174, 176553), (234, 131283), (261, 117702), (351, 87522), (377, 81486), (503, 61074), (522, 58851), (702, 43761), (754, 40743), (783, 39234), (1006, 30537), (1053, 29174), (1131, 27162), (1509, 20358), (1566, 19617), (2106, 14587), (2262, 13581), (2349, 13078), (3018, 10179), (3393, 9054), (4527, 6786), (4698, 6539)]