490881960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:460

約数の個数: 192

約数和(自身を含む): 1656579600

約数和(自身を除く): 1165697640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 137, 148, 180, 185, 222, 269, 274, 296, 333, 360, 370, 411, 444, 538, 548, 555, 666, 685, 740, 807, 822, 888, 1076, 1096, 1110, 1233, 1332, 1345, 1370, 1480, 1614, 1644, 1665, 2055, 2152, 2220, 2421, 2466, 2664, 2690, 2740, 3228, 3288, 3330, 4035, 4110, 4440, 4842, 4932, 5069, 5380, 5480, 6165, 6456, 6660, 8070, 8220, 9684, 9864, 9953, 10138, 10760, 12105, 12330, 13320, 15207, 16140, 16440, 19368, 19906, 20276, 24210, 24660, 25345, 29859, 30414, 32280, 36853, 39812, 40552, 45621, 48420, 49320, 49765, 50690, 59718, 60828, 73706, 76035, 79624, 89577, 91242, 96840, 99530, 101380, 110559, 119436, 121656, 147412, 149295, 152070, 179154, 182484, 184265, 199060, 202760, 221118, 228105, 238872, 294824, 298590, 304140, 331677, 358308, 364968, 368530, 398120, 442236, 447885, 456210, 552795, 597180, 608280, 663354, 716616, 737060, 884472, 895770, 912420, 1105590, 1194360, 1326708, 1363561, 1474120, 1658385, 1791540, 1824840, 2211180, 2653416, 2727122, 3316770, 3583080, 4090683, 4422360, 5454244, 6633540, 6817805, 8181366, 10908488, 12272049, 13267080, 13635610, 16362732, 20453415, 24544098, 27271220, 32725464, 40906830, 49088196, 54542440, 61360245, 81813660, 98176392, 122720490, 163627320, 245440980, 490881960]

約数ペア:

[(1, 490881960), (2, 245440980), (3, 163627320), (4, 122720490), (5, 98176392), (6, 81813660), (8, 61360245), (9, 54542440), (10, 49088196), (12, 40906830), (15, 32725464), (18, 27271220), (20, 24544098), (24, 20453415), (30, 16362732), (36, 13635610), (37, 13267080), (40, 12272049), (45, 10908488), (60, 8181366), (72, 6817805), (74, 6633540), (90, 5454244), (111, 4422360), (120, 4090683), (137, 3583080), (148, 3316770), (180, 2727122), (185, 2653416), (222, 2211180), (269, 1824840), (274, 1791540), (296, 1658385), (333, 1474120), (360, 1363561), (370, 1326708), (411, 1194360), (444, 1105590), (538, 912420), (548, 895770), (555, 884472), (666, 737060), (685, 716616), (740, 663354), (807, 608280), (822, 597180), (888, 552795), (1076, 456210), (1096, 447885), (1110, 442236), (1233, 398120), (1332, 368530), (1345, 364968), (1370, 358308), (1480, 331677), (1614, 304140), (1644, 298590), (1665, 294824), (2055, 238872), (2152, 228105), (2220, 221118), (2421, 202760), (2466, 199060), (2664, 184265), (2690, 182484), (2740, 179154), (3228, 152070), (3288, 149295), (3330, 147412), (4035, 121656), (4110, 119436), (4440, 110559), (4842, 101380), (4932, 99530), (5069, 96840), (5380, 91242), (5480, 89577), (6165, 79624), (6456, 76035), (6660, 73706), (8070, 60828), (8220, 59718), (9684, 50690), (9864, 49765), (9953, 49320), (10138, 48420), (10760, 45621), (12105, 40552), (12330, 39812), (13320, 36853), (15207, 32280), (16140, 30414), (16440, 29859), (19368, 25345), (19906, 24660), (20276, 24210)]