328580280

素因数分解:

$2^3\times 3^3\times 5^1\times 7^3\times {\mathrm{887}}^1$

素因数の和:928

約数の個数: 256

約数和(自身を含む): 1278720000

約数和(自身を除く): 950139720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 343, 360, 378, 392, 420, 441, 490, 504, 540, 588, 630, 686, 735, 756, 840, 882, 887, 945, 980, 1029, 1080, 1176, 1260, 1323, 1372, 1470, 1512, 1715, 1764, 1774, 1890, 1960, 2058, 2205, 2520, 2646, 2661, 2744, 2940, 3087, 3430, 3528, 3548, 3780, 4116, 4410, 4435, 5145, 5292, 5322, 5880, 6174, 6209, 6615, 6860, 7096, 7560, 7983, 8232, 8820, 8870, 9261, 10290, 10584, 10644, 12348, 12418, 13230, 13305, 13720, 15435, 15966, 17640, 17740, 18522, 18627, 20580, 21288, 23949, 24696, 24836, 26460, 26610, 30870, 31045, 31932, 35480, 37044, 37254, 39915, 41160, 43463, 46305, 47898, 49672, 52920, 53220, 55881, 61740, 62090, 63864, 74088, 74508, 79830, 86926, 92610, 93135, 95796, 106440, 111762, 119745, 123480, 124180, 130389, 149016, 159660, 167643, 173852, 185220, 186270, 191592, 217315, 223524, 239490, 248360, 260778, 279405, 304241, 319320, 335286, 347704, 370440, 372540, 391167, 434630, 447048, 478980, 521556, 558810, 608482, 651945, 670572, 745080, 782334, 838215, 869260, 912723, 957960, 1043112, 1117620, 1173501, 1216964, 1303890, 1341144, 1521205, 1564668, 1676430, 1738520, 1825446, 1955835, 2235240, 2347002, 2433928, 2607780, 2738169, 3042410, 3129336, 3352860, 3650892, 3911670, 4563615, 4694004, 5215560, 5476338, 5867505, 6084820, 6705720, 7301784, 7823340, 8214507, 9127230, 9388008, 10952676, 11735010, 12169640, 13690845, 15646680, 16429014, 18254460, 21905352, 23470020, 27381690, 32858028, 36508920, 41072535, 46940040, 54763380, 65716056, 82145070, 109526760, 164290140, 328580280]

約数ペア:

[(1, 328580280), (2, 164290140), (3, 109526760), (4, 82145070), (5, 65716056), (6, 54763380), (7, 46940040), (8, 41072535), (9, 36508920), (10, 32858028), (12, 27381690), (14, 23470020), (15, 21905352), (18, 18254460), (20, 16429014), (21, 15646680), (24, 13690845), (27, 12169640), (28, 11735010), (30, 10952676), (35, 9388008), (36, 9127230), (40, 8214507), (42, 7823340), (45, 7301784), (49, 6705720), (54, 6084820), (56, 5867505), (60, 5476338), (63, 5215560), (70, 4694004), (72, 4563615), (84, 3911670), (90, 3650892), (98, 3352860), (105, 3129336), (108, 3042410), (120, 2738169), (126, 2607780), (135, 2433928), (140, 2347002), (147, 2235240), (168, 1955835), (180, 1825446), (189, 1738520), (196, 1676430), (210, 1564668), (216, 1521205), (245, 1341144), (252, 1303890), (270, 1216964), (280, 1173501), (294, 1117620), (315, 1043112), (343, 957960), (360, 912723), (378, 869260), (392, 838215), (420, 782334), (441, 745080), (490, 670572), (504, 651945), (540, 608482), (588, 558810), (630, 521556), (686, 478980), (735, 447048), (756, 434630), (840, 391167), (882, 372540), (887, 370440), (945, 347704), (980, 335286), (1029, 319320), (1080, 304241), (1176, 279405), (1260, 260778), (1323, 248360), (1372, 239490), (1470, 223524), (1512, 217315), (1715, 191592), (1764, 186270), (1774, 185220), (1890, 173852), (1960, 167643), (2058, 159660), (2205, 149016), (2520, 130389), (2646, 124180), (2661, 123480), (2744, 119745), (2940, 111762), (3087, 106440), (3430, 95796), (3528, 93135), (3548, 92610), (3780, 86926), (4116, 79830), (4410, 74508), (4435, 74088), (5145, 63864), (5292, 62090), (5322, 61740), (5880, 55881), (6174, 53220), (6209, 52920), (6615, 49672), (6860, 47898), (7096, 46305), (7560, 43463), (7983, 41160), (8232, 39915), (8820, 37254), (8870, 37044), (9261, 35480), (10290, 31932), (10584, 31045), (10644, 30870), (12348, 26610), (12418, 26460), (13230, 24836), (13305, 24696), (13720, 23949), (15435, 21288), (15966, 20580), (17640, 18627), (17740, 18522)]