640558368

素因数分解:

$2^5\times 3^4\times {\mathrm{17}}^1\times {\mathrm{14537}}^1$

素因数の和:14576

約数の個数: 120

約数和(自身を含む): 1994817132

約数和(自身を除く): 1354258764

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 68, 72, 81, 96, 102, 108, 136, 144, 153, 162, 204, 216, 272, 288, 306, 324, 408, 432, 459, 544, 612, 648, 816, 864, 918, 1224, 1296, 1377, 1632, 1836, 2448, 2592, 2754, 3672, 4896, 5508, 7344, 11016, 14537, 14688, 22032, 29074, 43611, 44064, 58148, 87222, 116296, 130833, 174444, 232592, 247129, 261666, 348888, 392499, 465184, 494258, 523332, 697776, 741387, 784998, 988516, 1046664, 1177497, 1395552, 1482774, 1569996, 1977032, 2093328, 2224161, 2354994, 2965548, 3139992, 3954064, 4186656, 4448322, 4709988, 5931096, 6279984, 6672483, 7908128, 8896644, 9419976, 11862192, 12559968, 13344966, 17793288, 18839952, 20017449, 23724384, 26689932, 35586576, 37679904, 40034898, 53379864, 71173152, 80069796, 106759728, 160139592, 213519456, 320279184, 640558368]

約数ペア:

[(1, 640558368), (2, 320279184), (3, 213519456), (4, 160139592), (6, 106759728), (8, 80069796), (9, 71173152), (12, 53379864), (16, 40034898), (17, 37679904), (18, 35586576), (24, 26689932), (27, 23724384), (32, 20017449), (34, 18839952), (36, 17793288), (48, 13344966), (51, 12559968), (54, 11862192), (68, 9419976), (72, 8896644), (81, 7908128), (96, 6672483), (102, 6279984), (108, 5931096), (136, 4709988), (144, 4448322), (153, 4186656), (162, 3954064), (204, 3139992), (216, 2965548), (272, 2354994), (288, 2224161), (306, 2093328), (324, 1977032), (408, 1569996), (432, 1482774), (459, 1395552), (544, 1177497), (612, 1046664), (648, 988516), (816, 784998), (864, 741387), (918, 697776), (1224, 523332), (1296, 494258), (1377, 465184), (1632, 392499), (1836, 348888), (2448, 261666), (2592, 247129), (2754, 232592), (3672, 174444), (4896, 130833), (5508, 116296), (7344, 87222), (11016, 58148), (14537, 44064), (14688, 43611), (22032, 29074)]