1640987060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1381}}^1$

素因数の和:1521

約数の個数: 96

約数和(自身を含む): 3761251200

約数和(自身を除く): 2120264140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 59, 76, 95, 106, 118, 190, 212, 236, 265, 295, 380, 530, 590, 1007, 1060, 1121, 1180, 1381, 2014, 2242, 2762, 3127, 4028, 4484, 5035, 5524, 5605, 6254, 6905, 10070, 11210, 12508, 13810, 15635, 20140, 22420, 26239, 27620, 31270, 52478, 59413, 62540, 73193, 81479, 104956, 118826, 131195, 146386, 162958, 237652, 262390, 292772, 297065, 325916, 365965, 407395, 524780, 594130, 731930, 814790, 1188260, 1390667, 1463860, 1548101, 1629580, 2781334, 3096202, 4318387, 5562668, 6192404, 6953335, 7740505, 8636774, 13906670, 15481010, 17273548, 21591935, 27813340, 30962020, 43183870, 82049353, 86367740, 164098706, 328197412, 410246765, 820493530, 1640987060]

約数ペア:

[(1, 1640987060), (2, 820493530), (4, 410246765), (5, 328197412), (10, 164098706), (19, 86367740), (20, 82049353), (38, 43183870), (53, 30962020), (59, 27813340), (76, 21591935), (95, 17273548), (106, 15481010), (118, 13906670), (190, 8636774), (212, 7740505), (236, 6953335), (265, 6192404), (295, 5562668), (380, 4318387), (530, 3096202), (590, 2781334), (1007, 1629580), (1060, 1548101), (1121, 1463860), (1180, 1390667), (1381, 1188260), (2014, 814790), (2242, 731930), (2762, 594130), (3127, 524780), (4028, 407395), (4484, 365965), (5035, 325916), (5524, 297065), (5605, 292772), (6254, 262390), (6905, 237652), (10070, 162958), (11210, 146386), (12508, 131195), (13810, 118826), (15635, 104956), (20140, 81479), (22420, 73193), (26239, 62540), (27620, 59413), (31270, 52478)]