84020040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1381}}^1$

素因数の和:1424

約数の個数: 144

約数和(自身を含む): 295900020

約数和(自身を除く): 211879980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 312, 338, 360, 390, 468, 507, 520, 585, 676, 780, 845, 936, 1014, 1170, 1352, 1381, 1521, 1560, 1690, 2028, 2340, 2535, 2762, 3042, 3380, 4056, 4143, 4680, 5070, 5524, 6084, 6760, 6905, 7605, 8286, 10140, 11048, 12168, 12429, 13810, 15210, 16572, 17953, 20280, 20715, 24858, 27620, 30420, 33144, 35906, 41430, 49716, 53859, 55240, 60840, 62145, 71812, 82860, 89765, 99432, 107718, 124290, 143624, 161577, 165720, 179530, 215436, 233389, 248580, 269295, 323154, 359060, 430872, 466778, 497160, 538590, 646308, 700167, 718120, 807885, 933556, 1077180, 1166945, 1292616, 1400334, 1615770, 1867112, 2100501, 2154360, 2333890, 2800668, 3231540, 3500835, 4201002, 4667780, 5601336, 6463080, 7001670, 8402004, 9335560, 10502505, 14003340, 16804008, 21005010, 28006680, 42010020, 84020040]

約数ペア:

[(1, 84020040), (2, 42010020), (3, 28006680), (4, 21005010), (5, 16804008), (6, 14003340), (8, 10502505), (9, 9335560), (10, 8402004), (12, 7001670), (13, 6463080), (15, 5601336), (18, 4667780), (20, 4201002), (24, 3500835), (26, 3231540), (30, 2800668), (36, 2333890), (39, 2154360), (40, 2100501), (45, 1867112), (52, 1615770), (60, 1400334), (65, 1292616), (72, 1166945), (78, 1077180), (90, 933556), (104, 807885), (117, 718120), (120, 700167), (130, 646308), (156, 538590), (169, 497160), (180, 466778), (195, 430872), (234, 359060), (260, 323154), (312, 269295), (338, 248580), (360, 233389), (390, 215436), (468, 179530), (507, 165720), (520, 161577), (585, 143624), (676, 124290), (780, 107718), (845, 99432), (936, 89765), (1014, 82860), (1170, 71812), (1352, 62145), (1381, 60840), (1521, 55240), (1560, 53859), (1690, 49716), (2028, 41430), (2340, 35906), (2535, 33144), (2762, 30420), (3042, 27620), (3380, 24858), (4056, 20715), (4143, 20280), (4680, 17953), (5070, 16572), (5524, 15210), (6084, 13810), (6760, 12429), (6905, 12168), (7605, 11048), (8286, 10140)]