86538160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 120

約数和(自身を含む): 226123920

約数和(自身を除く): 139585760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 197, 272, 289, 304, 323, 340, 380, 394, 578, 646, 680, 760, 788, 985, 1156, 1292, 1360, 1445, 1520, 1576, 1615, 1970, 2312, 2584, 2890, 3152, 3230, 3349, 3743, 3940, 4624, 5168, 5491, 5780, 6460, 6698, 7486, 7880, 10982, 11560, 12920, 13396, 14972, 15760, 16745, 18715, 21964, 23120, 25840, 26792, 27455, 29944, 33490, 37430, 43928, 53584, 54910, 56933, 59888, 63631, 66980, 74860, 87856, 109820, 113866, 127262, 133960, 149720, 219640, 227732, 254524, 267920, 284665, 299440, 318155, 439280, 455464, 509048, 569330, 636310, 910928, 1018096, 1081727, 1138660, 1272620, 2163454, 2277320, 2545240, 4326908, 4554640, 5090480, 5408635, 8653816, 10817270, 17307632, 21634540, 43269080, 86538160]

約数ペア:

[(1, 86538160), (2, 43269080), (4, 21634540), (5, 17307632), (8, 10817270), (10, 8653816), (16, 5408635), (17, 5090480), (19, 4554640), (20, 4326908), (34, 2545240), (38, 2277320), (40, 2163454), (68, 1272620), (76, 1138660), (80, 1081727), (85, 1018096), (95, 910928), (136, 636310), (152, 569330), (170, 509048), (190, 455464), (197, 439280), (272, 318155), (289, 299440), (304, 284665), (323, 267920), (340, 254524), (380, 227732), (394, 219640), (578, 149720), (646, 133960), (680, 127262), (760, 113866), (788, 109820), (985, 87856), (1156, 74860), (1292, 66980), (1360, 63631), (1445, 59888), (1520, 56933), (1576, 54910), (1615, 53584), (1970, 43928), (2312, 37430), (2584, 33490), (2890, 29944), (3152, 27455), (3230, 26792), (3349, 25840), (3743, 23120), (3940, 21964), (4624, 18715), (5168, 16745), (5491, 15760), (5780, 14972), (6460, 13396), (6698, 12920), (7486, 11560), (7880, 10982)]