321186720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:707

約数の個数: 192

約数和(自身を含む): 1079930880

約数和(自身を除く): 758744160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 47, 48, 60, 69, 80, 92, 94, 96, 115, 120, 138, 141, 160, 184, 188, 230, 235, 240, 276, 282, 345, 368, 376, 460, 470, 480, 552, 564, 619, 690, 705, 736, 752, 920, 940, 1081, 1104, 1128, 1238, 1380, 1410, 1504, 1840, 1857, 1880, 2162, 2208, 2256, 2476, 2760, 2820, 3095, 3243, 3680, 3714, 3760, 4324, 4512, 4952, 5405, 5520, 5640, 6190, 6486, 7428, 7520, 8648, 9285, 9904, 10810, 11040, 11280, 12380, 12972, 14237, 14856, 16215, 17296, 18570, 19808, 21620, 22560, 24760, 25944, 28474, 29093, 29712, 32430, 34592, 37140, 42711, 43240, 49520, 51888, 56948, 58186, 59424, 64860, 71185, 74280, 85422, 86480, 87279, 99040, 103776, 113896, 116372, 129720, 142370, 145465, 148560, 170844, 172960, 174558, 213555, 227792, 232744, 259440, 284740, 290930, 297120, 341688, 349116, 427110, 436395, 455584, 465488, 518880, 569480, 581860, 669139, 683376, 698232, 854220, 872790, 930976, 1138960, 1163720, 1338278, 1366752, 1396464, 1708440, 1745580, 2007417, 2277920, 2327440, 2676556, 2792928, 3345695, 3416880, 3491160, 4014834, 4654880, 5353112, 6691390, 6833760, 6982320, 8029668, 10037085, 10706224, 13382780, 13964640, 16059336, 20074170, 21412448, 26765560, 32118672, 40148340, 53531120, 64237344, 80296680, 107062240, 160593360, 321186720]

約数ペア:

[(1, 321186720), (2, 160593360), (3, 107062240), (4, 80296680), (5, 64237344), (6, 53531120), (8, 40148340), (10, 32118672), (12, 26765560), (15, 21412448), (16, 20074170), (20, 16059336), (23, 13964640), (24, 13382780), (30, 10706224), (32, 10037085), (40, 8029668), (46, 6982320), (47, 6833760), (48, 6691390), (60, 5353112), (69, 4654880), (80, 4014834), (92, 3491160), (94, 3416880), (96, 3345695), (115, 2792928), (120, 2676556), (138, 2327440), (141, 2277920), (160, 2007417), (184, 1745580), (188, 1708440), (230, 1396464), (235, 1366752), (240, 1338278), (276, 1163720), (282, 1138960), (345, 930976), (368, 872790), (376, 854220), (460, 698232), (470, 683376), (480, 669139), (552, 581860), (564, 569480), (619, 518880), (690, 465488), (705, 455584), (736, 436395), (752, 427110), (920, 349116), (940, 341688), (1081, 297120), (1104, 290930), (1128, 284740), (1238, 259440), (1380, 232744), (1410, 227792), (1504, 213555), (1840, 174558), (1857, 172960), (1880, 170844), (2162, 148560), (2208, 145465), (2256, 142370), (2476, 129720), (2760, 116372), (2820, 113896), (3095, 103776), (3243, 99040), (3680, 87279), (3714, 86480), (3760, 85422), (4324, 74280), (4512, 71185), (4952, 64860), (5405, 59424), (5520, 58186), (5640, 56948), (6190, 51888), (6486, 49520), (7428, 43240), (7520, 42711), (8648, 37140), (9285, 34592), (9904, 32430), (10810, 29712), (11040, 29093), (11280, 28474), (12380, 25944), (12972, 24760), (14237, 22560), (14856, 21620), (16215, 19808), (17296, 18570)]