80428920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 256

約数和(自身を含む): 292723200

約数和(自身を除く): 212294280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 43, 44, 52, 55, 60, 65, 66, 78, 86, 88, 104, 109, 110, 120, 129, 130, 132, 143, 156, 165, 172, 195, 215, 218, 220, 258, 260, 264, 286, 312, 327, 330, 344, 390, 429, 430, 436, 440, 473, 516, 520, 545, 559, 572, 645, 654, 660, 715, 780, 858, 860, 872, 946, 1032, 1090, 1118, 1144, 1199, 1290, 1308, 1320, 1417, 1419, 1430, 1560, 1635, 1677, 1716, 1720, 1892, 2145, 2180, 2236, 2365, 2398, 2580, 2616, 2795, 2834, 2838, 2860, 3270, 3354, 3432, 3597, 3784, 4251, 4290, 4360, 4472, 4687, 4730, 4796, 5160, 5590, 5668, 5676, 5720, 5995, 6149, 6540, 6708, 7085, 7095, 7194, 8385, 8502, 8580, 9374, 9460, 9592, 11180, 11336, 11352, 11990, 12298, 13080, 13416, 14061, 14170, 14190, 14388, 15587, 16770, 17004, 17160, 17985, 18447, 18748, 18920, 21255, 22360, 23435, 23980, 24596, 28122, 28340, 28380, 28776, 30745, 31174, 33540, 34008, 35970, 36894, 37496, 42510, 46761, 46870, 47960, 49192, 51557, 56244, 56680, 56760, 60931, 61490, 62348, 67080, 70305, 71940, 73788, 77935, 85020, 92235, 93522, 93740, 103114, 112488, 121862, 122980, 124696, 140610, 143880, 147576, 154671, 155870, 170040, 182793, 184470, 187044, 187480, 206228, 233805, 243724, 245960, 257785, 281220, 304655, 309342, 311740, 365586, 368940, 374088, 412456, 467610, 487448, 515570, 562440, 609310, 618684, 623480, 670241, 731172, 737880, 773355, 913965, 935220, 1031140, 1218620, 1237368, 1340482, 1462344, 1546710, 1827930, 1870440, 2010723, 2062280, 2437240, 2680964, 3093420, 3351205, 3655860, 4021446, 5361928, 6186840, 6702410, 7311720, 8042892, 10053615, 13404820, 16085784, 20107230, 26809640, 40214460, 80428920]

約数ペア:

[(1, 80428920), (2, 40214460), (3, 26809640), (4, 20107230), (5, 16085784), (6, 13404820), (8, 10053615), (10, 8042892), (11, 7311720), (12, 6702410), (13, 6186840), (15, 5361928), (20, 4021446), (22, 3655860), (24, 3351205), (26, 3093420), (30, 2680964), (33, 2437240), (39, 2062280), (40, 2010723), (43, 1870440), (44, 1827930), (52, 1546710), (55, 1462344), (60, 1340482), (65, 1237368), (66, 1218620), (78, 1031140), (86, 935220), (88, 913965), (104, 773355), (109, 737880), (110, 731172), (120, 670241), (129, 623480), (130, 618684), (132, 609310), (143, 562440), (156, 515570), (165, 487448), (172, 467610), (195, 412456), (215, 374088), (218, 368940), (220, 365586), (258, 311740), (260, 309342), (264, 304655), (286, 281220), (312, 257785), (327, 245960), (330, 243724), (344, 233805), (390, 206228), (429, 187480), (430, 187044), (436, 184470), (440, 182793), (473, 170040), (516, 155870), (520, 154671), (545, 147576), (559, 143880), (572, 140610), (645, 124696), (654, 122980), (660, 121862), (715, 112488), (780, 103114), (858, 93740), (860, 93522), (872, 92235), (946, 85020), (1032, 77935), (1090, 73788), (1118, 71940), (1144, 70305), (1199, 67080), (1290, 62348), (1308, 61490), (1320, 60931), (1417, 56760), (1419, 56680), (1430, 56244), (1560, 51557), (1635, 49192), (1677, 47960), (1716, 46870), (1720, 46761), (1892, 42510), (2145, 37496), (2180, 36894), (2236, 35970), (2365, 34008), (2398, 33540), (2580, 31174), (2616, 30745), (2795, 28776), (2834, 28380), (2838, 28340), (2860, 28122), (3270, 24596), (3354, 23980), (3432, 23435), (3597, 22360), (3784, 21255), (4251, 18920), (4290, 18748), (4360, 18447), (4472, 17985), (4687, 17160), (4730, 17004), (4796, 16770), (5160, 15587), (5590, 14388), (5668, 14190), (5676, 14170), (5720, 14061), (5995, 13416), (6149, 13080), (6540, 12298), (6708, 11990), (7085, 11352), (7095, 11336), (7194, 11180), (8385, 9592), (8502, 9460), (8580, 9374)]