2020428720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:872

約数の個数: 240

約数和(自身を含む): 7067833344

約数和(自身を除く): 5047404624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 131, 144, 155, 180, 186, 240, 248, 262, 279, 310, 360, 372, 393, 465, 496, 524, 558, 620, 655, 691, 720, 744, 786, 930, 1048, 1116, 1179, 1240, 1310, 1382, 1395, 1488, 1572, 1860, 1965, 2073, 2096, 2232, 2358, 2480, 2620, 2764, 2790, 3144, 3455, 3720, 3930, 4061, 4146, 4464, 4716, 5240, 5528, 5580, 5895, 6219, 6288, 6910, 7440, 7860, 8122, 8292, 9432, 10365, 10480, 11056, 11160, 11790, 12183, 12438, 13820, 15720, 16244, 16584, 18864, 20305, 20730, 21421, 22320, 23580, 24366, 24876, 27640, 31095, 31440, 32488, 33168, 36549, 40610, 41460, 42842, 47160, 48732, 49752, 55280, 60915, 62190, 64263, 64976, 73098, 81220, 82920, 85684, 90521, 94320, 97464, 99504, 107105, 121830, 124380, 128526, 146196, 162440, 165840, 171368, 181042, 182745, 192789, 194928, 214210, 243660, 248760, 257052, 271563, 292392, 321315, 324880, 342736, 362084, 365490, 385578, 428420, 452605, 487320, 497520, 514104, 543126, 584784, 642630, 724168, 730980, 771156, 814689, 856840, 905210, 963945, 974640, 1028208, 1086252, 1285260, 1357815, 1448336, 1461960, 1542312, 1629378, 1713680, 1810420, 1927890, 2172504, 2570520, 2715630, 2806151, 2923920, 3084624, 3258756, 3620840, 3855780, 4073445, 4345008, 5141040, 5431260, 5612302, 6517512, 7241680, 7711560, 8146890, 8418453, 10862520, 11224604, 13035024, 14030755, 15423120, 16293780, 16836906, 21725040, 22449208, 25255359, 28061510, 32587560, 33673812, 42092265, 44898416, 50510718, 56123020, 65175120, 67347624, 84184530, 101021436, 112246040, 126276795, 134695248, 168369060, 202042872, 224492080, 252553590, 336738120, 404085744, 505107180, 673476240, 1010214360, 2020428720]

約数ペア:

[(1, 2020428720), (2, 1010214360), (3, 673476240), (4, 505107180), (5, 404085744), (6, 336738120), (8, 252553590), (9, 224492080), (10, 202042872), (12, 168369060), (15, 134695248), (16, 126276795), (18, 112246040), (20, 101021436), (24, 84184530), (30, 67347624), (31, 65175120), (36, 56123020), (40, 50510718), (45, 44898416), (48, 42092265), (60, 33673812), (62, 32587560), (72, 28061510), (80, 25255359), (90, 22449208), (93, 21725040), (120, 16836906), (124, 16293780), (131, 15423120), (144, 14030755), (155, 13035024), (180, 11224604), (186, 10862520), (240, 8418453), (248, 8146890), (262, 7711560), (279, 7241680), (310, 6517512), (360, 5612302), (372, 5431260), (393, 5141040), (465, 4345008), (496, 4073445), (524, 3855780), (558, 3620840), (620, 3258756), (655, 3084624), (691, 2923920), (720, 2806151), (744, 2715630), (786, 2570520), (930, 2172504), (1048, 1927890), (1116, 1810420), (1179, 1713680), (1240, 1629378), (1310, 1542312), (1382, 1461960), (1395, 1448336), (1488, 1357815), (1572, 1285260), (1860, 1086252), (1965, 1028208), (2073, 974640), (2096, 963945), (2232, 905210), (2358, 856840), (2480, 814689), (2620, 771156), (2764, 730980), (2790, 724168), (3144, 642630), (3455, 584784), (3720, 543126), (3930, 514104), (4061, 497520), (4146, 487320), (4464, 452605), (4716, 428420), (5240, 385578), (5528, 365490), (5580, 362084), (5895, 342736), (6219, 324880), (6288, 321315), (6910, 292392), (7440, 271563), (7860, 257052), (8122, 248760), (8292, 243660), (9432, 214210), (10365, 194928), (10480, 192789), (11056, 182745), (11160, 181042), (11790, 171368), (12183, 165840), (12438, 162440), (13820, 146196), (15720, 128526), (16244, 124380), (16584, 121830), (18864, 107105), (20305, 99504), (20730, 97464), (21421, 94320), (22320, 90521), (23580, 85684), (24366, 82920), (24876, 81220), (27640, 73098), (31095, 64976), (31440, 64263), (32488, 62190), (33168, 60915), (36549, 55280), (40610, 49752), (41460, 48732), (42842, 47160)]