9661008640

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{243473}}^1$

素因数の和:243525

約数の個数: 72

約数和(自身を含む): 23887721088

約数和(自身を除く): 14226712448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 243473, 486946, 973892, 1217365, 1947784, 2434730, 3895568, 4869460, 7547663, 7791136, 9738920, 15095326, 15582272, 19477840, 30190652, 31164544, 37738315, 38955680, 60381304, 62329088, 75476630, 77911360, 120762608, 150953260, 155822720, 241525216, 301906520, 311645440, 483050432, 603813040, 966100864, 1207626080, 1932201728, 2415252160, 4830504320, 9661008640]

約数ペア:

[(1, 9661008640), (2, 4830504320), (4, 2415252160), (5, 1932201728), (8, 1207626080), (10, 966100864), (16, 603813040), (20, 483050432), (31, 311645440), (32, 301906520), (40, 241525216), (62, 155822720), (64, 150953260), (80, 120762608), (124, 77911360), (128, 75476630), (155, 62329088), (160, 60381304), (248, 38955680), (256, 37738315), (310, 31164544), (320, 30190652), (496, 19477840), (620, 15582272), (640, 15095326), (992, 9738920), (1240, 7791136), (1280, 7547663), (1984, 4869460), (2480, 3895568), (3968, 2434730), (4960, 1947784), (7936, 1217365), (9920, 973892), (19840, 486946), (39680, 243473)]