521015640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:837

約数の個数: 128

約数和(自身を含む): 1605700800

約数和(自身を除く): 1084685160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 109, 120, 122, 183, 218, 244, 305, 327, 366, 436, 488, 545, 610, 653, 654, 732, 872, 915, 1090, 1220, 1306, 1308, 1464, 1635, 1830, 1959, 2180, 2440, 2612, 2616, 3265, 3270, 3660, 3918, 4360, 5224, 6530, 6540, 6649, 7320, 7836, 9795, 13060, 13080, 13298, 15672, 19590, 19947, 26120, 26596, 33245, 39180, 39833, 39894, 53192, 66490, 71177, 78360, 79666, 79788, 99735, 119499, 132980, 142354, 159332, 159576, 199165, 199470, 213531, 238998, 265960, 284708, 318664, 355885, 398330, 398940, 427062, 477996, 569416, 597495, 711770, 796660, 797880, 854124, 955992, 1067655, 1194990, 1423540, 1593320, 1708248, 2135310, 2389980, 2847080, 4270620, 4341797, 4779960, 8541240, 8683594, 13025391, 17367188, 21708985, 26050782, 34734376, 43417970, 52101564, 65126955, 86835940, 104203128, 130253910, 173671880, 260507820, 521015640]

約数ペア:

[(1, 521015640), (2, 260507820), (3, 173671880), (4, 130253910), (5, 104203128), (6, 86835940), (8, 65126955), (10, 52101564), (12, 43417970), (15, 34734376), (20, 26050782), (24, 21708985), (30, 17367188), (40, 13025391), (60, 8683594), (61, 8541240), (109, 4779960), (120, 4341797), (122, 4270620), (183, 2847080), (218, 2389980), (244, 2135310), (305, 1708248), (327, 1593320), (366, 1423540), (436, 1194990), (488, 1067655), (545, 955992), (610, 854124), (653, 797880), (654, 796660), (732, 711770), (872, 597495), (915, 569416), (1090, 477996), (1220, 427062), (1306, 398940), (1308, 398330), (1464, 355885), (1635, 318664), (1830, 284708), (1959, 265960), (2180, 238998), (2440, 213531), (2612, 199470), (2616, 199165), (3265, 159576), (3270, 159332), (3660, 142354), (3918, 132980), (4360, 119499), (5224, 99735), (6530, 79788), (6540, 79666), (6649, 78360), (7320, 71177), (7836, 66490), (9795, 53192), (13060, 39894), (13080, 39833), (13298, 39180), (15672, 33245), (19590, 26596), (19947, 26120)]