1989440784

素因数分解:

$2^4\times 3^3\times {\mathrm{661}}^1\times {\mathrm{6967}}^1$

素因数の和:7645

約数の個数: 80

約数和(自身を含む): 5719891840

約数和(自身を除く): 3730451056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 661, 1322, 1983, 2644, 3966, 5288, 5949, 6967, 7932, 10576, 11898, 13934, 15864, 17847, 20901, 23796, 27868, 31728, 35694, 41802, 47592, 55736, 62703, 71388, 83604, 95184, 111472, 125406, 142776, 167208, 188109, 250812, 285552, 334416, 376218, 501624, 752436, 1003248, 1504872, 3009744, 4605187, 9210374, 13815561, 18420748, 27631122, 36841496, 41446683, 55262244, 73682992, 82893366, 110524488, 124340049, 165786732, 221048976, 248680098, 331573464, 497360196, 663146928, 994720392, 1989440784]

約数ペア:

[(1, 1989440784), (2, 994720392), (3, 663146928), (4, 497360196), (6, 331573464), (8, 248680098), (9, 221048976), (12, 165786732), (16, 124340049), (18, 110524488), (24, 82893366), (27, 73682992), (36, 55262244), (48, 41446683), (54, 36841496), (72, 27631122), (108, 18420748), (144, 13815561), (216, 9210374), (432, 4605187), (661, 3009744), (1322, 1504872), (1983, 1003248), (2644, 752436), (3966, 501624), (5288, 376218), (5949, 334416), (6967, 285552), (7932, 250812), (10576, 188109), (11898, 167208), (13934, 142776), (15864, 125406), (17847, 111472), (20901, 95184), (23796, 83604), (27868, 71388), (31728, 62703), (35694, 55736), (41802, 47592)]