249781680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20407}}^1$

素因数の和:20443

約数の個数: 120

約数和(自身を含む): 888237792

約数和(自身を除く): 638456112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 12240, 20407, 40814, 61221, 81628, 102035, 122442, 163256, 183663, 204070, 244884, 306105, 326512, 346919, 367326, 408140, 489768, 612210, 693838, 734652, 816280, 918315, 979536, 1040757, 1224420, 1387676, 1469304, 1632560, 1734595, 1836630, 2081514, 2448840, 2775352, 2938608, 3122271, 3469190, 3673260, 4163028, 4897680, 5203785, 5550704, 6244542, 6938380, 7346520, 8326056, 10407570, 12489084, 13876760, 14693040, 15611355, 16652112, 20815140, 24978168, 27753520, 31222710, 41630280, 49956336, 62445420, 83260560, 124890840, 249781680]

約数ペア:

[(1, 249781680), (2, 124890840), (3, 83260560), (4, 62445420), (5, 49956336), (6, 41630280), (8, 31222710), (9, 27753520), (10, 24978168), (12, 20815140), (15, 16652112), (16, 15611355), (17, 14693040), (18, 13876760), (20, 12489084), (24, 10407570), (30, 8326056), (34, 7346520), (36, 6938380), (40, 6244542), (45, 5550704), (48, 5203785), (51, 4897680), (60, 4163028), (68, 3673260), (72, 3469190), (80, 3122271), (85, 2938608), (90, 2775352), (102, 2448840), (120, 2081514), (136, 1836630), (144, 1734595), (153, 1632560), (170, 1469304), (180, 1387676), (204, 1224420), (240, 1040757), (255, 979536), (272, 918315), (306, 816280), (340, 734652), (360, 693838), (408, 612210), (510, 489768), (612, 408140), (680, 367326), (720, 346919), (765, 326512), (816, 306105), (1020, 244884), (1224, 204070), (1360, 183663), (1530, 163256), (2040, 122442), (2448, 102035), (3060, 81628), (4080, 61221), (6120, 40814), (12240, 20407)]