531481680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{38851}}^1$

素因数の和:38889

約数の個数: 120

約数和(自身を含む): 1878882720

約数和(自身を除く): 1347401040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 38851, 77702, 116553, 155404, 194255, 233106, 310808, 349659, 388510, 466212, 582765, 621616, 699318, 738169, 777020, 932424, 1165530, 1398636, 1476338, 1554040, 1748295, 1864848, 2214507, 2331060, 2797272, 2952676, 3108080, 3496590, 3690845, 4429014, 4662120, 5594544, 5905352, 6643521, 6993180, 7381690, 8858028, 9324240, 11072535, 11810704, 13287042, 13986360, 14763380, 17716056, 22145070, 26574084, 27972720, 29526760, 33217605, 35432112, 44290140, 53148168, 59053520, 66435210, 88580280, 106296336, 132870420, 177160560, 265740840, 531481680]

約数ペア:

[(1, 531481680), (2, 265740840), (3, 177160560), (4, 132870420), (5, 106296336), (6, 88580280), (8, 66435210), (9, 59053520), (10, 53148168), (12, 44290140), (15, 35432112), (16, 33217605), (18, 29526760), (19, 27972720), (20, 26574084), (24, 22145070), (30, 17716056), (36, 14763380), (38, 13986360), (40, 13287042), (45, 11810704), (48, 11072535), (57, 9324240), (60, 8858028), (72, 7381690), (76, 6993180), (80, 6643521), (90, 5905352), (95, 5594544), (114, 4662120), (120, 4429014), (144, 3690845), (152, 3496590), (171, 3108080), (180, 2952676), (190, 2797272), (228, 2331060), (240, 2214507), (285, 1864848), (304, 1748295), (342, 1554040), (360, 1476338), (380, 1398636), (456, 1165530), (570, 932424), (684, 777020), (720, 738169), (760, 699318), (855, 621616), (912, 582765), (1140, 466212), (1368, 388510), (1520, 349659), (1710, 310808), (2280, 233106), (2736, 194255), (3420, 155404), (4560, 116553), (6840, 77702), (13680, 38851)]