256382280

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3083}}^1$

素因数の和:3121

約数の個数: 256

約数和(自身を含む): 1065830400

約数和(自身を除く): 809448120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 693, 756, 770, 792, 840, 924, 945, 990, 1080, 1155, 1188, 1260, 1320, 1386, 1485, 1512, 1540, 1848, 1890, 1980, 2079, 2310, 2376, 2520, 2772, 2970, 3080, 3083, 3465, 3780, 3960, 4158, 4620, 5544, 5940, 6166, 6930, 7560, 8316, 9240, 9249, 10395, 11880, 12332, 13860, 15415, 16632, 18498, 20790, 21581, 24664, 27720, 27747, 30830, 33913, 36996, 41580, 43162, 46245, 55494, 61660, 64743, 67826, 73992, 83160, 83241, 86324, 92490, 101739, 107905, 110988, 123320, 129486, 135652, 138735, 166482, 169565, 172648, 184980, 194229, 203478, 215810, 221976, 237391, 258972, 271304, 277470, 305217, 323715, 332964, 339130, 369960, 388458, 406956, 416205, 431620, 474782, 508695, 517944, 554940, 582687, 610434, 647430, 665928, 678260, 712173, 776916, 813912, 832410, 863240, 915651, 949564, 971145, 1017390, 1109880, 1165374, 1186955, 1220868, 1294860, 1356520, 1424346, 1526085, 1553832, 1664820, 1831302, 1899128, 1942290, 2034780, 2136519, 2330748, 2373910, 2441736, 2589720, 2848692, 2913435, 3052170, 3329640, 3560865, 3662604, 3884580, 4069560, 4273038, 4578255, 4661496, 4747820, 5697384, 5826870, 6104340, 6409557, 7121730, 7325208, 7769160, 8546076, 9156510, 9495640, 10682595, 11653740, 12208680, 12819114, 14243460, 17092152, 18313020, 21365190, 23307480, 25638228, 28486920, 32047785, 36626040, 42730380, 51276456, 64095570, 85460760, 128191140, 256382280]

約数ペア:

[(1, 256382280), (2, 128191140), (3, 85460760), (4, 64095570), (5, 51276456), (6, 42730380), (7, 36626040), (8, 32047785), (9, 28486920), (10, 25638228), (11, 23307480), (12, 21365190), (14, 18313020), (15, 17092152), (18, 14243460), (20, 12819114), (21, 12208680), (22, 11653740), (24, 10682595), (27, 9495640), (28, 9156510), (30, 8546076), (33, 7769160), (35, 7325208), (36, 7121730), (40, 6409557), (42, 6104340), (44, 5826870), (45, 5697384), (54, 4747820), (55, 4661496), (56, 4578255), (60, 4273038), (63, 4069560), (66, 3884580), (70, 3662604), (72, 3560865), (77, 3329640), (84, 3052170), (88, 2913435), (90, 2848692), (99, 2589720), (105, 2441736), (108, 2373910), (110, 2330748), (120, 2136519), (126, 2034780), (132, 1942290), (135, 1899128), (140, 1831302), (154, 1664820), (165, 1553832), (168, 1526085), (180, 1424346), (189, 1356520), (198, 1294860), (210, 1220868), (216, 1186955), (220, 1165374), (231, 1109880), (252, 1017390), (264, 971145), (270, 949564), (280, 915651), (297, 863240), (308, 832410), (315, 813912), (330, 776916), (360, 712173), (378, 678260), (385, 665928), (396, 647430), (420, 610434), (440, 582687), (462, 554940), (495, 517944), (504, 508695), (540, 474782), (594, 431620), (616, 416205), (630, 406956), (660, 388458), (693, 369960), (756, 339130), (770, 332964), (792, 323715), (840, 305217), (924, 277470), (945, 271304), (990, 258972), (1080, 237391), (1155, 221976), (1188, 215810), (1260, 203478), (1320, 194229), (1386, 184980), (1485, 172648), (1512, 169565), (1540, 166482), (1848, 138735), (1890, 135652), (1980, 129486), (2079, 123320), (2310, 110988), (2376, 107905), (2520, 101739), (2772, 92490), (2970, 86324), (3080, 83241), (3083, 83160), (3465, 73992), (3780, 67826), (3960, 64743), (4158, 61660), (4620, 55494), (5544, 46245), (5940, 43162), (6166, 41580), (6930, 36996), (7560, 33913), (8316, 30830), (9240, 27747), (9249, 27720), (10395, 24664), (11880, 21581), (12332, 20790), (13860, 18498), (15415, 16632)]