251373420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2371}}^1$

素因数の和:2436

約数の個数: 144

約数和(自身を含む): 828871680

約数和(自身を除く): 577498260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 684, 855, 930, 1116, 1140, 1178, 1395, 1710, 1767, 1860, 2356, 2371, 2790, 2945, 3420, 3534, 4742, 5301, 5580, 5890, 7068, 7113, 8835, 9484, 10602, 11780, 11855, 14226, 17670, 21204, 21339, 23710, 26505, 28452, 35340, 35565, 42678, 45049, 47420, 53010, 71130, 73501, 85356, 90098, 106020, 106695, 135147, 142260, 147002, 180196, 213390, 220503, 225245, 270294, 294004, 367505, 405441, 426780, 441006, 450490, 540588, 661509, 675735, 735010, 810882, 882012, 900980, 1102515, 1323018, 1351470, 1396519, 1470020, 1621764, 2027205, 2205030, 2646036, 2702940, 2793038, 3307545, 4054410, 4189557, 4410060, 5586076, 6615090, 6982595, 8108820, 8379114, 12568671, 13230180, 13965190, 16758228, 20947785, 25137342, 27930380, 41895570, 50274684, 62843355, 83791140, 125686710, 251373420]

約数ペア:

[(1, 251373420), (2, 125686710), (3, 83791140), (4, 62843355), (5, 50274684), (6, 41895570), (9, 27930380), (10, 25137342), (12, 20947785), (15, 16758228), (18, 13965190), (19, 13230180), (20, 12568671), (30, 8379114), (31, 8108820), (36, 6982595), (38, 6615090), (45, 5586076), (57, 4410060), (60, 4189557), (62, 4054410), (76, 3307545), (90, 2793038), (93, 2702940), (95, 2646036), (114, 2205030), (124, 2027205), (155, 1621764), (171, 1470020), (180, 1396519), (186, 1351470), (190, 1323018), (228, 1102515), (279, 900980), (285, 882012), (310, 810882), (342, 735010), (372, 675735), (380, 661509), (465, 540588), (558, 450490), (570, 441006), (589, 426780), (620, 405441), (684, 367505), (855, 294004), (930, 270294), (1116, 225245), (1140, 220503), (1178, 213390), (1395, 180196), (1710, 147002), (1767, 142260), (1860, 135147), (2356, 106695), (2371, 106020), (2790, 90098), (2945, 85356), (3420, 73501), (3534, 71130), (4742, 53010), (5301, 47420), (5580, 45049), (5890, 42678), (7068, 35565), (7113, 35340), (8835, 28452), (9484, 26505), (10602, 23710), (11780, 21339), (11855, 21204), (14226, 17670)]