20197980720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{5107}}^1$

素因数の和:6960

約数の個数: 160

約数和(自身を含む): 69622448640

約数和(自身を除く): 49424467920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 1831, 2160, 3662, 5107, 5493, 7324, 9155, 10214, 10986, 14648, 15321, 16479, 18310, 20428, 21972, 25535, 27465, 29296, 30642, 32958, 36620, 40856, 43944, 45963, 49437, 51070, 54930, 61284, 65916, 73240, 76605, 81712, 82395, 87888, 91926, 98874, 102140, 109860, 122568, 131832, 137889, 146480, 153210, 164790, 183852, 197748, 204280, 219720, 229815, 245136, 247185, 263664, 275778, 306420, 329580, 367704, 395496, 408560, 439440, 459630, 494370, 551556, 612840, 659160, 689445, 735408, 790992, 919260, 988740, 1103112, 1225680, 1318320, 1378890, 1838520, 1977480, 2206224, 2757780, 3677040, 3954960, 5515560, 9350917, 11031120, 18701834, 28052751, 37403668, 46754585, 56105502, 74807336, 84158253, 93509170, 112211004, 140263755, 149614672, 168316506, 187018340, 224422008, 252474759, 280527510, 336633012, 374036680, 420791265, 448844016, 504949518, 561055020, 673266024, 748073360, 841582530, 1009899036, 1122110040, 1262373795, 1346532048, 1683165060, 2019798072, 2244220080, 2524747590, 3366330120, 4039596144, 5049495180, 6732660240, 10098990360, 20197980720]

約数ペア:

[(1, 20197980720), (2, 10098990360), (3, 6732660240), (4, 5049495180), (5, 4039596144), (6, 3366330120), (8, 2524747590), (9, 2244220080), (10, 2019798072), (12, 1683165060), (15, 1346532048), (16, 1262373795), (18, 1122110040), (20, 1009899036), (24, 841582530), (27, 748073360), (30, 673266024), (36, 561055020), (40, 504949518), (45, 448844016), (48, 420791265), (54, 374036680), (60, 336633012), (72, 280527510), (80, 252474759), (90, 224422008), (108, 187018340), (120, 168316506), (135, 149614672), (144, 140263755), (180, 112211004), (216, 93509170), (240, 84158253), (270, 74807336), (360, 56105502), (432, 46754585), (540, 37403668), (720, 28052751), (1080, 18701834), (1831, 11031120), (2160, 9350917), (3662, 5515560), (5107, 3954960), (5493, 3677040), (7324, 2757780), (9155, 2206224), (10214, 1977480), (10986, 1838520), (14648, 1378890), (15321, 1318320), (16479, 1225680), (18310, 1103112), (20428, 988740), (21972, 919260), (25535, 790992), (27465, 735408), (29296, 689445), (30642, 659160), (32958, 612840), (36620, 551556), (40856, 494370), (43944, 459630), (45963, 439440), (49437, 408560), (51070, 395496), (54930, 367704), (61284, 329580), (65916, 306420), (73240, 275778), (76605, 263664), (81712, 247185), (82395, 245136), (87888, 229815), (91926, 219720), (98874, 204280), (102140, 197748), (109860, 183852), (122568, 164790), (131832, 153210), (137889, 146480)]