72968220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31183}}^1$

素因数の和:31211

約数の個数: 72

約数和(自身を含む): 238370496

約数和(自身を除く): 165402276

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, 390, 468, 585, 780, 1170, 2340, 31183, 62366, 93549, 124732, 155915, 187098, 280647, 311830, 374196, 405379, 467745, 561294, 623660, 810758, 935490, 1122588, 1216137, 1403235, 1621516, 1870980, 2026895, 2432274, 2806470, 3648411, 4053790, 4864548, 5612940, 6080685, 7296822, 8107580, 12161370, 14593644, 18242055, 24322740, 36484110, 72968220]

約数ペア:

[(1, 72968220), (2, 36484110), (3, 24322740), (4, 18242055), (5, 14593644), (6, 12161370), (9, 8107580), (10, 7296822), (12, 6080685), (13, 5612940), (15, 4864548), (18, 4053790), (20, 3648411), (26, 2806470), (30, 2432274), (36, 2026895), (39, 1870980), (45, 1621516), (52, 1403235), (60, 1216137), (65, 1122588), (78, 935490), (90, 810758), (117, 623660), (130, 561294), (156, 467745), (180, 405379), (195, 374196), (234, 311830), (260, 280647), (390, 187098), (468, 155915), (585, 124732), (780, 93549), (1170, 62366), (2340, 31183)]