278766480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{541}}^1$

素因数の和:689

約数の個数: 160

約数和(自身を含む): 919405440

約数和(自身を除く): 640638960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 113, 114, 120, 152, 190, 226, 228, 240, 285, 304, 339, 380, 452, 456, 541, 565, 570, 678, 760, 904, 912, 1082, 1130, 1140, 1356, 1520, 1623, 1695, 1808, 2147, 2164, 2260, 2280, 2705, 2712, 3246, 3390, 4294, 4328, 4520, 4560, 5410, 5424, 6441, 6492, 6780, 8115, 8588, 8656, 9040, 10279, 10735, 10820, 12882, 12984, 13560, 16230, 17176, 20558, 21470, 21640, 25764, 25968, 27120, 30837, 32205, 32460, 34352, 41116, 42940, 43280, 51395, 51528, 61133, 61674, 64410, 64920, 82232, 85880, 102790, 103056, 122266, 123348, 128820, 129840, 154185, 164464, 171760, 183399, 205580, 244532, 246696, 257640, 305665, 308370, 366798, 411160, 489064, 493392, 515280, 611330, 616740, 733596, 822320, 916995, 978128, 1161527, 1222660, 1233480, 1467192, 1833990, 2323054, 2445320, 2466960, 2934384, 3484581, 3667980, 4646108, 4890640, 5807635, 6969162, 7335960, 9292216, 11615270, 13938324, 14671920, 17422905, 18584432, 23230540, 27876648, 34845810, 46461080, 55753296, 69691620, 92922160, 139383240, 278766480]

約数ペア:

[(1, 278766480), (2, 139383240), (3, 92922160), (4, 69691620), (5, 55753296), (6, 46461080), (8, 34845810), (10, 27876648), (12, 23230540), (15, 18584432), (16, 17422905), (19, 14671920), (20, 13938324), (24, 11615270), (30, 9292216), (38, 7335960), (40, 6969162), (48, 5807635), (57, 4890640), (60, 4646108), (76, 3667980), (80, 3484581), (95, 2934384), (113, 2466960), (114, 2445320), (120, 2323054), (152, 1833990), (190, 1467192), (226, 1233480), (228, 1222660), (240, 1161527), (285, 978128), (304, 916995), (339, 822320), (380, 733596), (452, 616740), (456, 611330), (541, 515280), (565, 493392), (570, 489064), (678, 411160), (760, 366798), (904, 308370), (912, 305665), (1082, 257640), (1130, 246696), (1140, 244532), (1356, 205580), (1520, 183399), (1623, 171760), (1695, 164464), (1808, 154185), (2147, 129840), (2164, 128820), (2260, 123348), (2280, 122266), (2705, 103056), (2712, 102790), (3246, 85880), (3390, 82232), (4294, 64920), (4328, 64410), (4520, 61674), (4560, 61133), (5410, 51528), (5424, 51395), (6441, 43280), (6492, 42940), (6780, 41116), (8115, 34352), (8588, 32460), (8656, 32205), (9040, 30837), (10279, 27120), (10735, 25968), (10820, 25764), (12882, 21640), (12984, 21470), (13560, 20558), (16230, 17176)]