279507480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:334

約数の個数: 256

約数和(自身を含む): 1025740800

約数和(自身を除く): 746233320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 83, 84, 95, 105, 114, 120, 133, 140, 152, 166, 168, 190, 210, 211, 228, 249, 266, 280, 285, 332, 380, 399, 415, 420, 422, 456, 498, 532, 570, 581, 633, 664, 665, 760, 798, 830, 840, 844, 996, 1055, 1064, 1140, 1162, 1245, 1266, 1330, 1477, 1577, 1596, 1660, 1688, 1743, 1992, 1995, 2110, 2280, 2324, 2490, 2532, 2660, 2905, 2954, 3154, 3165, 3192, 3320, 3486, 3990, 4009, 4220, 4431, 4648, 4731, 4980, 5064, 5320, 5810, 5908, 6308, 6330, 6972, 7385, 7885, 7980, 8018, 8440, 8715, 8862, 9462, 9960, 11039, 11620, 11816, 12027, 12616, 12660, 13944, 14770, 15770, 15960, 16036, 17430, 17513, 17724, 18924, 20045, 22078, 22155, 23240, 23655, 24054, 25320, 28063, 29540, 31540, 32072, 33117, 34860, 35026, 35448, 37848, 40090, 44156, 44310, 47310, 48108, 52539, 55195, 56126, 59080, 60135, 63080, 66234, 69720, 70052, 80180, 84189, 87565, 88312, 88620, 94620, 96216, 105078, 110390, 112252, 120270, 122591, 132468, 140104, 140315, 160360, 165585, 168378, 175130, 177240, 189240, 210156, 220780, 224504, 240540, 245182, 262695, 264936, 280630, 331170, 332747, 336756, 350260, 367773, 420312, 420945, 441560, 481080, 490364, 525390, 561260, 612955, 662340, 665494, 673512, 700520, 735546, 841890, 980728, 998241, 1050780, 1122520, 1225910, 1324680, 1330988, 1471092, 1663735, 1683780, 1838865, 1996482, 2101560, 2329229, 2451820, 2661976, 2942184, 3327470, 3367560, 3677730, 3992964, 4658458, 4903640, 4991205, 6654940, 6987687, 7355460, 7985928, 9316916, 9982410, 11646145, 13309880, 13975374, 14710920, 18633832, 19964820, 23292290, 27950748, 34938435, 39929640, 46584580, 55901496, 69876870, 93169160, 139753740, 279507480]

約数ペア:

[(1, 279507480), (2, 139753740), (3, 93169160), (4, 69876870), (5, 55901496), (6, 46584580), (7, 39929640), (8, 34938435), (10, 27950748), (12, 23292290), (14, 19964820), (15, 18633832), (19, 14710920), (20, 13975374), (21, 13309880), (24, 11646145), (28, 9982410), (30, 9316916), (35, 7985928), (38, 7355460), (40, 6987687), (42, 6654940), (56, 4991205), (57, 4903640), (60, 4658458), (70, 3992964), (76, 3677730), (83, 3367560), (84, 3327470), (95, 2942184), (105, 2661976), (114, 2451820), (120, 2329229), (133, 2101560), (140, 1996482), (152, 1838865), (166, 1683780), (168, 1663735), (190, 1471092), (210, 1330988), (211, 1324680), (228, 1225910), (249, 1122520), (266, 1050780), (280, 998241), (285, 980728), (332, 841890), (380, 735546), (399, 700520), (415, 673512), (420, 665494), (422, 662340), (456, 612955), (498, 561260), (532, 525390), (570, 490364), (581, 481080), (633, 441560), (664, 420945), (665, 420312), (760, 367773), (798, 350260), (830, 336756), (840, 332747), (844, 331170), (996, 280630), (1055, 264936), (1064, 262695), (1140, 245182), (1162, 240540), (1245, 224504), (1266, 220780), (1330, 210156), (1477, 189240), (1577, 177240), (1596, 175130), (1660, 168378), (1688, 165585), (1743, 160360), (1992, 140315), (1995, 140104), (2110, 132468), (2280, 122591), (2324, 120270), (2490, 112252), (2532, 110390), (2660, 105078), (2905, 96216), (2954, 94620), (3154, 88620), (3165, 88312), (3192, 87565), (3320, 84189), (3486, 80180), (3990, 70052), (4009, 69720), (4220, 66234), (4431, 63080), (4648, 60135), (4731, 59080), (4980, 56126), (5064, 55195), (5320, 52539), (5810, 48108), (5908, 47310), (6308, 44310), (6330, 44156), (6972, 40090), (7385, 37848), (7885, 35448), (7980, 35026), (8018, 34860), (8440, 33117), (8715, 32072), (8862, 31540), (9462, 29540), (9960, 28063), (11039, 25320), (11620, 24054), (11816, 23655), (12027, 23240), (12616, 22155), (12660, 22078), (13944, 20045), (14770, 18924), (15770, 17724), (15960, 17513), (16036, 17430)]