121973840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:540

約数の個数: 80

約数和(自身を含む): 295695360

約数和(自身を除く): 173721520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 137, 155, 248, 274, 310, 359, 496, 548, 620, 685, 718, 1096, 1240, 1370, 1436, 1795, 2192, 2480, 2740, 2872, 3590, 4247, 5480, 5744, 7180, 8494, 10960, 11129, 14360, 16988, 21235, 22258, 28720, 33976, 42470, 44516, 49183, 55645, 67952, 84940, 89032, 98366, 111290, 169880, 178064, 196732, 222580, 245915, 339760, 393464, 445160, 491830, 786928, 890320, 983660, 1524673, 1967320, 3049346, 3934640, 6098692, 7623365, 12197384, 15246730, 24394768, 30493460, 60986920, 121973840]

約数ペア:

[(1, 121973840), (2, 60986920), (4, 30493460), (5, 24394768), (8, 15246730), (10, 12197384), (16, 7623365), (20, 6098692), (31, 3934640), (40, 3049346), (62, 1967320), (80, 1524673), (124, 983660), (137, 890320), (155, 786928), (248, 491830), (274, 445160), (310, 393464), (359, 339760), (496, 245915), (548, 222580), (620, 196732), (685, 178064), (718, 169880), (1096, 111290), (1240, 98366), (1370, 89032), (1436, 84940), (1795, 67952), (2192, 55645), (2480, 49183), (2740, 44516), (2872, 42470), (3590, 33976), (4247, 28720), (5480, 22258), (5744, 21235), (7180, 16988), (8494, 14360), (10960, 11129)]