154857760

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^3\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 390685680

約数和(自身を除く): 235827920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 197, 272, 289, 340, 394, 544, 578, 680, 788, 985, 1156, 1360, 1445, 1576, 1970, 2312, 2720, 2890, 3152, 3349, 3940, 4624, 4913, 5780, 6304, 6698, 7880, 9248, 9826, 11560, 13396, 15760, 16745, 19652, 23120, 24565, 26792, 31520, 33490, 39304, 46240, 49130, 53584, 56933, 66980, 78608, 98260, 107168, 113866, 133960, 157216, 196520, 227732, 267920, 284665, 393040, 455464, 535840, 569330, 786080, 910928, 967861, 1138660, 1821856, 1935722, 2277320, 3871444, 4554640, 4839305, 7742888, 9109280, 9678610, 15485776, 19357220, 30971552, 38714440, 77428880, 154857760]

約数ペア:

[(1, 154857760), (2, 77428880), (4, 38714440), (5, 30971552), (8, 19357220), (10, 15485776), (16, 9678610), (17, 9109280), (20, 7742888), (32, 4839305), (34, 4554640), (40, 3871444), (68, 2277320), (80, 1935722), (85, 1821856), (136, 1138660), (160, 967861), (170, 910928), (197, 786080), (272, 569330), (289, 535840), (340, 455464), (394, 393040), (544, 284665), (578, 267920), (680, 227732), (788, 196520), (985, 157216), (1156, 133960), (1360, 113866), (1445, 107168), (1576, 98260), (1970, 78608), (2312, 66980), (2720, 56933), (2890, 53584), (3152, 49130), (3349, 46240), (3940, 39304), (4624, 33490), (4913, 31520), (5780, 26792), (6304, 24565), (6698, 23120), (7880, 19652), (9248, 16745), (9826, 15760), (11560, 13396)]