262505520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:688

約数の個数: 240

約数和(自身を含む): 959462400

約数和(自身を除く): 696956880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 62, 72, 76, 80, 90, 93, 95, 114, 120, 124, 144, 152, 155, 171, 180, 186, 190, 228, 240, 248, 279, 285, 304, 310, 342, 360, 372, 380, 456, 465, 496, 558, 570, 589, 619, 620, 684, 720, 744, 760, 855, 912, 930, 1116, 1140, 1178, 1238, 1240, 1368, 1395, 1488, 1520, 1710, 1767, 1857, 1860, 2232, 2280, 2356, 2476, 2480, 2736, 2790, 2945, 3095, 3420, 3534, 3714, 3720, 4464, 4560, 4712, 4952, 5301, 5571, 5580, 5890, 6190, 6840, 7068, 7428, 7440, 8835, 9285, 9424, 9904, 10602, 11142, 11160, 11761, 11780, 12380, 13680, 14136, 14856, 17670, 18570, 19189, 21204, 22284, 22320, 23522, 23560, 24760, 26505, 27855, 28272, 29712, 35283, 35340, 37140, 38378, 42408, 44568, 47044, 47120, 49520, 53010, 55710, 57567, 58805, 70566, 70680, 74280, 76756, 84816, 89136, 94088, 95945, 105849, 106020, 111420, 115134, 117610, 141132, 141360, 148560, 153512, 172701, 176415, 188176, 191890, 211698, 212040, 222840, 230268, 235220, 282264, 287835, 307024, 345402, 352830, 364591, 383780, 423396, 424080, 445680, 460536, 470440, 529245, 564528, 575670, 690804, 705660, 729182, 767560, 846792, 863505, 921072, 940880, 1058490, 1093773, 1151340, 1381608, 1411320, 1458364, 1535120, 1693584, 1727010, 1822955, 2116980, 2187546, 2302680, 2763216, 2822640, 2916728, 3281319, 3454020, 3645910, 4233960, 4375092, 4605360, 5468865, 5833456, 6562638, 6908040, 7291820, 8467920, 8750184, 10937730, 13125276, 13816080, 14583640, 16406595, 17500368, 21875460, 26250552, 29167280, 32813190, 43750920, 52501104, 65626380, 87501840, 131252760, 262505520]

約数ペア:

[(1, 262505520), (2, 131252760), (3, 87501840), (4, 65626380), (5, 52501104), (6, 43750920), (8, 32813190), (9, 29167280), (10, 26250552), (12, 21875460), (15, 17500368), (16, 16406595), (18, 14583640), (19, 13816080), (20, 13125276), (24, 10937730), (30, 8750184), (31, 8467920), (36, 7291820), (38, 6908040), (40, 6562638), (45, 5833456), (48, 5468865), (57, 4605360), (60, 4375092), (62, 4233960), (72, 3645910), (76, 3454020), (80, 3281319), (90, 2916728), (93, 2822640), (95, 2763216), (114, 2302680), (120, 2187546), (124, 2116980), (144, 1822955), (152, 1727010), (155, 1693584), (171, 1535120), (180, 1458364), (186, 1411320), (190, 1381608), (228, 1151340), (240, 1093773), (248, 1058490), (279, 940880), (285, 921072), (304, 863505), (310, 846792), (342, 767560), (360, 729182), (372, 705660), (380, 690804), (456, 575670), (465, 564528), (496, 529245), (558, 470440), (570, 460536), (589, 445680), (619, 424080), (620, 423396), (684, 383780), (720, 364591), (744, 352830), (760, 345402), (855, 307024), (912, 287835), (930, 282264), (1116, 235220), (1140, 230268), (1178, 222840), (1238, 212040), (1240, 211698), (1368, 191890), (1395, 188176), (1488, 176415), (1520, 172701), (1710, 153512), (1767, 148560), (1857, 141360), (1860, 141132), (2232, 117610), (2280, 115134), (2356, 111420), (2476, 106020), (2480, 105849), (2736, 95945), (2790, 94088), (2945, 89136), (3095, 84816), (3420, 76756), (3534, 74280), (3714, 70680), (3720, 70566), (4464, 58805), (4560, 57567), (4712, 55710), (4952, 53010), (5301, 49520), (5571, 47120), (5580, 47044), (5890, 44568), (6190, 42408), (6840, 38378), (7068, 37140), (7428, 35340), (7440, 35283), (8835, 29712), (9285, 28272), (9424, 27855), (9904, 26505), (10602, 24760), (11142, 23560), (11160, 23522), (11761, 22320), (11780, 22284), (12380, 21204), (13680, 19189), (14136, 18570), (14856, 17670)]