199993680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3121}}^1$

素因数の和:3229

約数の個数: 120

約数和(自身を含む): 679409640

約数和(自身を除く): 479415960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 120, 144, 178, 180, 240, 267, 356, 360, 445, 534, 712, 720, 801, 890, 1068, 1335, 1424, 1602, 1780, 2136, 2670, 3121, 3204, 3560, 4005, 4272, 5340, 6242, 6408, 7120, 8010, 9363, 10680, 12484, 12816, 15605, 16020, 18726, 21360, 24968, 28089, 31210, 32040, 37452, 46815, 49936, 56178, 62420, 64080, 74904, 93630, 112356, 124840, 140445, 149808, 187260, 224712, 249680, 277769, 280890, 374520, 449424, 555538, 561780, 749040, 833307, 1111076, 1123560, 1388845, 1666614, 2222152, 2247120, 2499921, 2777690, 3333228, 4166535, 4444304, 4999842, 5555380, 6666456, 8333070, 9999684, 11110760, 12499605, 13332912, 16666140, 19999368, 22221520, 24999210, 33332280, 39998736, 49998420, 66664560, 99996840, 199993680]

約数ペア:

[(1, 199993680), (2, 99996840), (3, 66664560), (4, 49998420), (5, 39998736), (6, 33332280), (8, 24999210), (9, 22221520), (10, 19999368), (12, 16666140), (15, 13332912), (16, 12499605), (18, 11110760), (20, 9999684), (24, 8333070), (30, 6666456), (36, 5555380), (40, 4999842), (45, 4444304), (48, 4166535), (60, 3333228), (72, 2777690), (80, 2499921), (89, 2247120), (90, 2222152), (120, 1666614), (144, 1388845), (178, 1123560), (180, 1111076), (240, 833307), (267, 749040), (356, 561780), (360, 555538), (445, 449424), (534, 374520), (712, 280890), (720, 277769), (801, 249680), (890, 224712), (1068, 187260), (1335, 149808), (1424, 140445), (1602, 124840), (1780, 112356), (2136, 93630), (2670, 74904), (3121, 64080), (3204, 62420), (3560, 56178), (4005, 49936), (4272, 46815), (5340, 37452), (6242, 32040), (6408, 31210), (7120, 28089), (8010, 24968), (9363, 21360), (10680, 18726), (12484, 16020), (12816, 15605)]