15557220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12347}}^1$

素因数の和:12369

約数の個数: 72

約数和(自身を含む): 53936064

約数和(自身を除く): 38378844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 12347, 24694, 37041, 49388, 61735, 74082, 86429, 111123, 123470, 148164, 172858, 185205, 222246, 246940, 259287, 345716, 370410, 432145, 444492, 518574, 555615, 740820, 777861, 864290, 1037148, 1111230, 1296435, 1555722, 1728580, 2222460, 2592870, 3111444, 3889305, 5185740, 7778610, 15557220]

約数ペア:

[(1, 15557220), (2, 7778610), (3, 5185740), (4, 3889305), (5, 3111444), (6, 2592870), (7, 2222460), (9, 1728580), (10, 1555722), (12, 1296435), (14, 1111230), (15, 1037148), (18, 864290), (20, 777861), (21, 740820), (28, 555615), (30, 518574), (35, 444492), (36, 432145), (42, 370410), (45, 345716), (60, 259287), (63, 246940), (70, 222246), (84, 185205), (90, 172858), (105, 148164), (126, 123470), (140, 111123), (180, 86429), (210, 74082), (252, 61735), (315, 49388), (420, 37041), (630, 24694), (1260, 12347)]