180933320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2557}}^1$

素因数の和:2658

約数の個数: 64

約数和(自身を含む): 428209200

約数和(自身を除く): 247275880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 290, 305, 488, 580, 610, 1160, 1220, 1769, 2440, 2557, 3538, 5114, 7076, 8845, 10228, 12785, 14152, 17690, 20456, 25570, 35380, 51140, 70760, 74153, 102280, 148306, 155977, 296612, 311954, 370765, 593224, 623908, 741530, 779885, 1247816, 1483060, 1559770, 2966120, 3119540, 4523333, 6239080, 9046666, 18093332, 22616665, 36186664, 45233330, 90466660, 180933320]

約数ペア:

[(1, 180933320), (2, 90466660), (4, 45233330), (5, 36186664), (8, 22616665), (10, 18093332), (20, 9046666), (29, 6239080), (40, 4523333), (58, 3119540), (61, 2966120), (116, 1559770), (122, 1483060), (145, 1247816), (232, 779885), (244, 741530), (290, 623908), (305, 593224), (488, 370765), (580, 311954), (610, 296612), (1160, 155977), (1220, 148306), (1769, 102280), (2440, 74153), (2557, 70760), (3538, 51140), (5114, 35380), (7076, 25570), (8845, 20456), (10228, 17690), (12785, 14152)]