840840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:52

約数の個数: 192

約数和(自身を含む): 3447360

約数和(自身を除く): 2606520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 49, 52, 55, 56, 60, 65, 66, 70, 77, 78, 84, 88, 91, 98, 104, 105, 110, 120, 130, 132, 140, 143, 147, 154, 156, 165, 168, 182, 195, 196, 210, 220, 231, 245, 260, 264, 273, 280, 286, 294, 308, 312, 330, 364, 385, 390, 392, 420, 429, 440, 455, 462, 490, 520, 539, 546, 572, 588, 616, 637, 660, 715, 728, 735, 770, 780, 840, 858, 910, 924, 980, 1001, 1078, 1092, 1144, 1155, 1176, 1274, 1320, 1365, 1430, 1470, 1540, 1560, 1617, 1716, 1820, 1848, 1911, 1960, 2002, 2145, 2156, 2184, 2310, 2548, 2695, 2730, 2860, 2940, 3003, 3080, 3185, 3234, 3432, 3640, 3822, 4004, 4290, 4312, 4620, 5005, 5096, 5390, 5460, 5720, 5880, 6006, 6370, 6468, 7007, 7644, 8008, 8085, 8580, 9240, 9555, 10010, 10780, 10920, 12012, 12740, 12936, 14014, 15015, 15288, 16170, 17160, 19110, 20020, 21021, 21560, 24024, 25480, 28028, 30030, 32340, 35035, 38220, 40040, 42042, 56056, 60060, 64680, 70070, 76440, 84084, 105105, 120120, 140140, 168168, 210210, 280280, 420420, 840840]

約数ペア:

[(1, 840840), (2, 420420), (3, 280280), (4, 210210), (5, 168168), (6, 140140), (7, 120120), (8, 105105), (10, 84084), (11, 76440), (12, 70070), (13, 64680), (14, 60060), (15, 56056), (20, 42042), (21, 40040), (22, 38220), (24, 35035), (26, 32340), (28, 30030), (30, 28028), (33, 25480), (35, 24024), (39, 21560), (40, 21021), (42, 20020), (44, 19110), (49, 17160), (52, 16170), (55, 15288), (56, 15015), (60, 14014), (65, 12936), (66, 12740), (70, 12012), (77, 10920), (78, 10780), (84, 10010), (88, 9555), (91, 9240), (98, 8580), (104, 8085), (105, 8008), (110, 7644), (120, 7007), (130, 6468), (132, 6370), (140, 6006), (143, 5880), (147, 5720), (154, 5460), (156, 5390), (165, 5096), (168, 5005), (182, 4620), (195, 4312), (196, 4290), (210, 4004), (220, 3822), (231, 3640), (245, 3432), (260, 3234), (264, 3185), (273, 3080), (280, 3003), (286, 2940), (294, 2860), (308, 2730), (312, 2695), (330, 2548), (364, 2310), (385, 2184), (390, 2156), (392, 2145), (420, 2002), (429, 1960), (440, 1911), (455, 1848), (462, 1820), (490, 1716), (520, 1617), (539, 1560), (546, 1540), (572, 1470), (588, 1430), (616, 1365), (637, 1320), (660, 1274), (715, 1176), (728, 1155), (735, 1144), (770, 1092), (780, 1078), (840, 1001), (858, 980), (910, 924)]