2019965640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{218611}}^1$

素因数の和:218643

約数の個数: 128

約数和(自身を含む): 7555230720

約数和(自身を除く): 5535265080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 218611, 437222, 655833, 874444, 1093055, 1311666, 1530277, 1748888, 2186110, 2404721, 2623332, 3060554, 3279165, 4372220, 4590831, 4809442, 5246664, 6121108, 6558330, 7214163, 7651385, 8744440, 9181662, 9618884, 12023605, 12242216, 13116660, 14428326, 15302770, 16833047, 18363324, 19237768, 22954155, 24047210, 26233320, 28856652, 30605540, 33666094, 36070815, 36726648, 45908310, 48094420, 50499141, 57713304, 61211080, 67332188, 72141630, 84165235, 91816620, 96188840, 100998282, 134664376, 144283260, 168330470, 183633240, 201996564, 252495705, 288566520, 336660940, 403993128, 504991410, 673321880, 1009982820, 2019965640]

約数ペア:

[(1, 2019965640), (2, 1009982820), (3, 673321880), (4, 504991410), (5, 403993128), (6, 336660940), (7, 288566520), (8, 252495705), (10, 201996564), (11, 183633240), (12, 168330470), (14, 144283260), (15, 134664376), (20, 100998282), (21, 96188840), (22, 91816620), (24, 84165235), (28, 72141630), (30, 67332188), (33, 61211080), (35, 57713304), (40, 50499141), (42, 48094420), (44, 45908310), (55, 36726648), (56, 36070815), (60, 33666094), (66, 30605540), (70, 28856652), (77, 26233320), (84, 24047210), (88, 22954155), (105, 19237768), (110, 18363324), (120, 16833047), (132, 15302770), (140, 14428326), (154, 13116660), (165, 12242216), (168, 12023605), (210, 9618884), (220, 9181662), (231, 8744440), (264, 7651385), (280, 7214163), (308, 6558330), (330, 6121108), (385, 5246664), (420, 4809442), (440, 4590831), (462, 4372220), (616, 3279165), (660, 3060554), (770, 2623332), (840, 2404721), (924, 2186110), (1155, 1748888), (1320, 1530277), (1540, 1311666), (1848, 1093055), (2310, 874444), (3080, 655833), (4620, 437222), (9240, 218611)]