263276440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 700306560

約数和(自身を除く): 437030120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 113, 140, 157, 212, 226, 265, 280, 314, 371, 424, 452, 530, 565, 628, 742, 785, 791, 904, 1060, 1099, 1130, 1256, 1484, 1570, 1582, 1855, 2120, 2198, 2260, 2968, 3140, 3164, 3710, 3955, 4396, 4520, 5495, 5989, 6280, 6328, 7420, 7910, 8321, 8792, 10990, 11978, 14840, 15820, 16642, 17741, 21980, 23956, 29945, 31640, 33284, 35482, 41605, 41923, 43960, 47912, 58247, 59890, 66568, 70964, 83210, 83846, 88705, 116494, 119780, 124187, 141928, 166420, 167692, 177410, 209615, 232988, 239560, 248374, 291235, 332840, 335384, 354820, 419230, 465976, 496748, 582470, 620935, 709640, 838460, 940273, 993496, 1164940, 1241870, 1676920, 1880546, 2329880, 2483740, 3761092, 4701365, 4967480, 6581911, 7522184, 9402730, 13163822, 18805460, 26327644, 32909555, 37610920, 52655288, 65819110, 131638220, 263276440]

約数ペア:

[(1, 263276440), (2, 131638220), (4, 65819110), (5, 52655288), (7, 37610920), (8, 32909555), (10, 26327644), (14, 18805460), (20, 13163822), (28, 9402730), (35, 7522184), (40, 6581911), (53, 4967480), (56, 4701365), (70, 3761092), (106, 2483740), (113, 2329880), (140, 1880546), (157, 1676920), (212, 1241870), (226, 1164940), (265, 993496), (280, 940273), (314, 838460), (371, 709640), (424, 620935), (452, 582470), (530, 496748), (565, 465976), (628, 419230), (742, 354820), (785, 335384), (791, 332840), (904, 291235), (1060, 248374), (1099, 239560), (1130, 232988), (1256, 209615), (1484, 177410), (1570, 167692), (1582, 166420), (1855, 141928), (2120, 124187), (2198, 119780), (2260, 116494), (2968, 88705), (3140, 83846), (3164, 83210), (3710, 70964), (3955, 66568), (4396, 59890), (4520, 58247), (5495, 47912), (5989, 43960), (6280, 41923), (6328, 41605), (7420, 35482), (7910, 33284), (8321, 31640), (8792, 29945), (10990, 23956), (11978, 21980), (14840, 17741), (15820, 16642)]