727740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 2384928

約数和(自身を除く): 1657188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 311, 390, 468, 585, 622, 780, 933, 1170, 1244, 1555, 1866, 2340, 2799, 3110, 3732, 4043, 4665, 5598, 6220, 8086, 9330, 11196, 12129, 13995, 16172, 18660, 20215, 24258, 27990, 36387, 40430, 48516, 55980, 60645, 72774, 80860, 121290, 145548, 181935, 242580, 363870, 727740]

約数ペア:

[(1, 727740), (2, 363870), (3, 242580), (4, 181935), (5, 145548), (6, 121290), (9, 80860), (10, 72774), (12, 60645), (13, 55980), (15, 48516), (18, 40430), (20, 36387), (26, 27990), (30, 24258), (36, 20215), (39, 18660), (45, 16172), (52, 13995), (60, 12129), (65, 11196), (78, 9330), (90, 8086), (117, 6220), (130, 5598), (156, 4665), (180, 4043), (195, 3732), (234, 3110), (260, 2799), (311, 2340), (390, 1866), (468, 1555), (585, 1244), (622, 1170), (780, 933)]