28959608340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{71537}}^1$

素因数の和:71738

約数の個数: 144

約数和(自身を含む): 95149546128

約数和(自身を除く): 66189937788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 173, 180, 195, 234, 260, 346, 390, 468, 519, 585, 692, 780, 865, 1038, 1170, 1557, 1730, 2076, 2249, 2340, 2595, 3114, 3460, 4498, 5190, 6228, 6747, 7785, 8996, 10380, 11245, 13494, 15570, 20241, 22490, 26988, 31140, 33735, 40482, 44980, 67470, 71537, 80964, 101205, 134940, 143074, 202410, 214611, 286148, 357685, 404820, 429222, 643833, 715370, 858444, 929981, 1073055, 1287666, 1430740, 1859962, 2146110, 2575332, 2789943, 3219165, 3719924, 4292220, 4649905, 5579886, 6438330, 8369829, 9299810, 11159772, 12375901, 12876660, 13949715, 16739658, 18599620, 24751802, 27899430, 33479316, 37127703, 41849145, 49503604, 55798860, 61879505, 74255406, 83698290, 111383109, 123759010, 148510812, 160886713, 167396580, 185638515, 222766218, 247518020, 321773426, 371277030, 445532436, 482660139, 556915545, 643546852, 742554060, 804433565, 965320278, 1113831090, 1447980417, 1608867130, 1930640556, 2227662180, 2413300695, 2895960834, 3217734260, 4826601390, 5791921668, 7239902085, 9653202780, 14479804170, 28959608340]

約数ペア:

[(1, 28959608340), (2, 14479804170), (3, 9653202780), (4, 7239902085), (5, 5791921668), (6, 4826601390), (9, 3217734260), (10, 2895960834), (12, 2413300695), (13, 2227662180), (15, 1930640556), (18, 1608867130), (20, 1447980417), (26, 1113831090), (30, 965320278), (36, 804433565), (39, 742554060), (45, 643546852), (52, 556915545), (60, 482660139), (65, 445532436), (78, 371277030), (90, 321773426), (117, 247518020), (130, 222766218), (156, 185638515), (173, 167396580), (180, 160886713), (195, 148510812), (234, 123759010), (260, 111383109), (346, 83698290), (390, 74255406), (468, 61879505), (519, 55798860), (585, 49503604), (692, 41849145), (780, 37127703), (865, 33479316), (1038, 27899430), (1170, 24751802), (1557, 18599620), (1730, 16739658), (2076, 13949715), (2249, 12876660), (2340, 12375901), (2595, 11159772), (3114, 9299810), (3460, 8369829), (4498, 6438330), (5190, 5579886), (6228, 4649905), (6747, 4292220), (7785, 3719924), (8996, 3219165), (10380, 2789943), (11245, 2575332), (13494, 2146110), (15570, 1859962), (20241, 1430740), (22490, 1287666), (26988, 1073055), (31140, 929981), (33735, 858444), (40482, 715370), (44980, 643833), (67470, 429222), (71537, 404820), (80964, 357685), (101205, 286148), (134940, 214611), (143074, 202410)]