131223120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4111}}^1$

素因数の和:4153

約数の個数: 160

約数和(自身を含む): 489492480

約数和(自身を除く): 358269360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2660, 3192, 3990, 4111, 4560, 5320, 6384, 7980, 8222, 10640, 12333, 15960, 16444, 20555, 24666, 28777, 31920, 32888, 41110, 49332, 57554, 61665, 65776, 78109, 82220, 86331, 98664, 115108, 123330, 143885, 156218, 164440, 172662, 197328, 230216, 234327, 246660, 287770, 312436, 328880, 345324, 390545, 431655, 460432, 468654, 493320, 546763, 575540, 624872, 690648, 781090, 863310, 937308, 986640, 1093526, 1151080, 1171635, 1249744, 1381296, 1562180, 1640289, 1726620, 1874616, 2187052, 2302160, 2343270, 2733815, 3124360, 3280578, 3453240, 3749232, 4374104, 4686540, 5467630, 6248720, 6561156, 6906480, 8201445, 8748208, 9373080, 10935260, 13122312, 16402890, 18746160, 21870520, 26244624, 32805780, 43741040, 65611560, 131223120]

約数ペア:

[(1, 131223120), (2, 65611560), (3, 43741040), (4, 32805780), (5, 26244624), (6, 21870520), (7, 18746160), (8, 16402890), (10, 13122312), (12, 10935260), (14, 9373080), (15, 8748208), (16, 8201445), (19, 6906480), (20, 6561156), (21, 6248720), (24, 5467630), (28, 4686540), (30, 4374104), (35, 3749232), (38, 3453240), (40, 3280578), (42, 3124360), (48, 2733815), (56, 2343270), (57, 2302160), (60, 2187052), (70, 1874616), (76, 1726620), (80, 1640289), (84, 1562180), (95, 1381296), (105, 1249744), (112, 1171635), (114, 1151080), (120, 1093526), (133, 986640), (140, 937308), (152, 863310), (168, 781090), (190, 690648), (210, 624872), (228, 575540), (240, 546763), (266, 493320), (280, 468654), (285, 460432), (304, 431655), (336, 390545), (380, 345324), (399, 328880), (420, 312436), (456, 287770), (532, 246660), (560, 234327), (570, 230216), (665, 197328), (760, 172662), (798, 164440), (840, 156218), (912, 143885), (1064, 123330), (1140, 115108), (1330, 98664), (1520, 86331), (1596, 82220), (1680, 78109), (1995, 65776), (2128, 61665), (2280, 57554), (2660, 49332), (3192, 41110), (3990, 32888), (4111, 31920), (4560, 28777), (5320, 24666), (6384, 20555), (7980, 16444), (8222, 15960), (10640, 12333)]