28888080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:273

約数の個数: 160

約数和(自身を含む): 98993664

約数和(自身を除く): 70105584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 47, 48, 52, 60, 65, 78, 80, 94, 104, 120, 130, 141, 156, 188, 195, 197, 208, 235, 240, 260, 282, 312, 376, 390, 394, 470, 520, 564, 591, 611, 624, 705, 752, 780, 788, 940, 985, 1040, 1128, 1182, 1222, 1410, 1560, 1576, 1833, 1880, 1970, 2256, 2364, 2444, 2561, 2820, 2955, 3055, 3120, 3152, 3666, 3760, 3940, 4728, 4888, 5122, 5640, 5910, 6110, 7332, 7683, 7880, 9165, 9259, 9456, 9776, 10244, 11280, 11820, 12220, 12805, 14664, 15366, 15760, 18330, 18518, 20488, 23640, 24440, 25610, 27777, 29328, 30732, 36660, 37036, 38415, 40976, 46295, 47280, 48880, 51220, 55554, 61464, 73320, 74072, 76830, 92590, 102440, 111108, 120367, 122928, 138885, 146640, 148144, 153660, 185180, 204880, 222216, 240734, 277770, 307320, 361101, 370360, 444432, 481468, 555540, 601835, 614640, 722202, 740720, 962936, 1111080, 1203670, 1444404, 1805505, 1925872, 2222160, 2407340, 2888808, 3611010, 4814680, 5777616, 7222020, 9629360, 14444040, 28888080]

約数ペア:

[(1, 28888080), (2, 14444040), (3, 9629360), (4, 7222020), (5, 5777616), (6, 4814680), (8, 3611010), (10, 2888808), (12, 2407340), (13, 2222160), (15, 1925872), (16, 1805505), (20, 1444404), (24, 1203670), (26, 1111080), (30, 962936), (39, 740720), (40, 722202), (47, 614640), (48, 601835), (52, 555540), (60, 481468), (65, 444432), (78, 370360), (80, 361101), (94, 307320), (104, 277770), (120, 240734), (130, 222216), (141, 204880), (156, 185180), (188, 153660), (195, 148144), (197, 146640), (208, 138885), (235, 122928), (240, 120367), (260, 111108), (282, 102440), (312, 92590), (376, 76830), (390, 74072), (394, 73320), (470, 61464), (520, 55554), (564, 51220), (591, 48880), (611, 47280), (624, 46295), (705, 40976), (752, 38415), (780, 37036), (788, 36660), (940, 30732), (985, 29328), (1040, 27777), (1128, 25610), (1182, 24440), (1222, 23640), (1410, 20488), (1560, 18518), (1576, 18330), (1833, 15760), (1880, 15366), (1970, 14664), (2256, 12805), (2364, 12220), (2444, 11820), (2561, 11280), (2820, 10244), (2955, 9776), (3055, 9456), (3120, 9259), (3152, 9165), (3666, 7880), (3760, 7683), (3940, 7332), (4728, 6110), (4888, 5910), (5122, 5640)]