821026860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:408

約数の個数: 192

約数和(自身を含む): 2553707520

約数和(自身を除く): 1732680660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 30, 38, 46, 57, 60, 69, 76, 92, 95, 114, 115, 138, 173, 181, 190, 228, 230, 276, 285, 345, 346, 362, 380, 437, 460, 519, 543, 570, 690, 692, 724, 865, 874, 905, 1038, 1086, 1140, 1311, 1380, 1730, 1748, 1810, 2076, 2172, 2185, 2595, 2622, 2715, 3287, 3439, 3460, 3620, 3979, 4163, 4370, 5190, 5244, 5430, 6555, 6574, 6878, 7958, 8326, 8740, 9861, 10317, 10380, 10860, 11937, 12489, 13110, 13148, 13756, 15916, 16435, 16652, 17195, 19722, 19895, 20634, 20815, 23874, 24978, 26220, 31313, 32870, 34390, 39444, 39790, 41268, 41630, 47748, 49305, 49956, 51585, 59685, 62445, 62626, 65740, 68780, 75601, 79097, 79580, 83260, 93939, 98610, 103170, 119370, 124890, 125252, 151202, 156565, 158194, 187878, 197220, 206340, 226803, 237291, 238740, 249780, 302404, 313130, 316388, 375756, 378005, 395485, 453606, 469695, 474582, 594947, 626260, 720199, 756010, 790970, 907212, 939390, 949164, 1134015, 1186455, 1189894, 1440398, 1512020, 1581940, 1784841, 1878780, 2160597, 2268030, 2372910, 2379788, 2880796, 2974735, 3569682, 3600995, 4321194, 4536060, 4745820, 5949470, 7139364, 7201990, 8642388, 8924205, 10802985, 11898940, 13683781, 14403980, 17848410, 21605970, 27367562, 35696820, 41051343, 43211940, 54735124, 68418905, 82102686, 136837810, 164205372, 205256715, 273675620, 410513430, 821026860]

約数ペア:

[(1, 821026860), (2, 410513430), (3, 273675620), (4, 205256715), (5, 164205372), (6, 136837810), (10, 82102686), (12, 68418905), (15, 54735124), (19, 43211940), (20, 41051343), (23, 35696820), (30, 27367562), (38, 21605970), (46, 17848410), (57, 14403980), (60, 13683781), (69, 11898940), (76, 10802985), (92, 8924205), (95, 8642388), (114, 7201990), (115, 7139364), (138, 5949470), (173, 4745820), (181, 4536060), (190, 4321194), (228, 3600995), (230, 3569682), (276, 2974735), (285, 2880796), (345, 2379788), (346, 2372910), (362, 2268030), (380, 2160597), (437, 1878780), (460, 1784841), (519, 1581940), (543, 1512020), (570, 1440398), (690, 1189894), (692, 1186455), (724, 1134015), (865, 949164), (874, 939390), (905, 907212), (1038, 790970), (1086, 756010), (1140, 720199), (1311, 626260), (1380, 594947), (1730, 474582), (1748, 469695), (1810, 453606), (2076, 395485), (2172, 378005), (2185, 375756), (2595, 316388), (2622, 313130), (2715, 302404), (3287, 249780), (3439, 238740), (3460, 237291), (3620, 226803), (3979, 206340), (4163, 197220), (4370, 187878), (5190, 158194), (5244, 156565), (5430, 151202), (6555, 125252), (6574, 124890), (6878, 119370), (7958, 103170), (8326, 98610), (8740, 93939), (9861, 83260), (10317, 79580), (10380, 79097), (10860, 75601), (11937, 68780), (12489, 65740), (13110, 62626), (13148, 62445), (13756, 59685), (15916, 51585), (16435, 49956), (16652, 49305), (17195, 47748), (19722, 41630), (19895, 41268), (20634, 39790), (20815, 39444), (23874, 34390), (24978, 32870), (26220, 31313)]