320519700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{6983}}^1$

素因数の和:7023

約数の個数: 144

約数和(自身を含む): 1091180160

約数和(自身を除く): 770660460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 27, 30, 34, 36, 45, 50, 51, 54, 60, 68, 75, 85, 90, 100, 102, 108, 135, 150, 153, 170, 180, 204, 225, 255, 270, 300, 306, 340, 425, 450, 459, 510, 540, 612, 675, 765, 850, 900, 918, 1020, 1275, 1350, 1530, 1700, 1836, 2295, 2550, 2700, 3060, 3825, 4590, 5100, 6983, 7650, 9180, 11475, 13966, 15300, 20949, 22950, 27932, 34915, 41898, 45900, 62847, 69830, 83796, 104745, 118711, 125694, 139660, 174575, 188541, 209490, 237422, 251388, 314235, 349150, 356133, 377082, 418980, 474844, 523725, 593555, 628470, 698300, 712266, 754164, 942705, 1047450, 1068399, 1187110, 1256940, 1424532, 1571175, 1780665, 1885410, 2094900, 2136798, 2374220, 2967775, 3142350, 3205197, 3561330, 3770820, 4273596, 4713525, 5341995, 5935550, 6284700, 6410394, 7122660, 8903325, 9427050, 10683990, 11871100, 12820788, 16025985, 17806650, 18854100, 21367980, 26709975, 32051970, 35613300, 53419950, 64103940, 80129925, 106839900, 160259850, 320519700]

約数ペア:

[(1, 320519700), (2, 160259850), (3, 106839900), (4, 80129925), (5, 64103940), (6, 53419950), (9, 35613300), (10, 32051970), (12, 26709975), (15, 21367980), (17, 18854100), (18, 17806650), (20, 16025985), (25, 12820788), (27, 11871100), (30, 10683990), (34, 9427050), (36, 8903325), (45, 7122660), (50, 6410394), (51, 6284700), (54, 5935550), (60, 5341995), (68, 4713525), (75, 4273596), (85, 3770820), (90, 3561330), (100, 3205197), (102, 3142350), (108, 2967775), (135, 2374220), (150, 2136798), (153, 2094900), (170, 1885410), (180, 1780665), (204, 1571175), (225, 1424532), (255, 1256940), (270, 1187110), (300, 1068399), (306, 1047450), (340, 942705), (425, 754164), (450, 712266), (459, 698300), (510, 628470), (540, 593555), (612, 523725), (675, 474844), (765, 418980), (850, 377082), (900, 356133), (918, 349150), (1020, 314235), (1275, 251388), (1350, 237422), (1530, 209490), (1700, 188541), (1836, 174575), (2295, 139660), (2550, 125694), (2700, 118711), (3060, 104745), (3825, 83796), (4590, 69830), (5100, 62847), (6983, 45900), (7650, 41898), (9180, 34915), (11475, 27932), (13966, 22950), (15300, 20949)]