321132448

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:559

約数の個数: 144

約数和(自身を含む): 830088000

約数和(自身を除く): 508955552

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 68, 91, 104, 112, 119, 136, 169, 182, 208, 221, 224, 238, 272, 338, 364, 416, 442, 476, 499, 544, 676, 728, 884, 952, 998, 1183, 1352, 1456, 1547, 1768, 1904, 1996, 2366, 2704, 2873, 2912, 3094, 3493, 3536, 3808, 3992, 4732, 5408, 5746, 6188, 6487, 6986, 7072, 7984, 8483, 9464, 11492, 12376, 12974, 13972, 15968, 16966, 18928, 20111, 22984, 24752, 25948, 27944, 33932, 37856, 40222, 45409, 45968, 49504, 51896, 55888, 59381, 67864, 80444, 84331, 90818, 91936, 103792, 110279, 111776, 118762, 135728, 160888, 168662, 181636, 207584, 220558, 237524, 271456, 321776, 337324, 363272, 441116, 475048, 590317, 643552, 674648, 726544, 771953, 882232, 950096, 1180634, 1349296, 1433627, 1453088, 1543906, 1764464, 1900192, 2361268, 2698592, 2867254, 3087812, 3528928, 4722536, 5734508, 6175624, 9445072, 10035389, 11469016, 12351248, 18890144, 20070778, 22938032, 24702496, 40141556, 45876064, 80283112, 160566224, 321132448]

約数ペア:

[(1, 321132448), (2, 160566224), (4, 80283112), (7, 45876064), (8, 40141556), (13, 24702496), (14, 22938032), (16, 20070778), (17, 18890144), (26, 12351248), (28, 11469016), (32, 10035389), (34, 9445072), (52, 6175624), (56, 5734508), (68, 4722536), (91, 3528928), (104, 3087812), (112, 2867254), (119, 2698592), (136, 2361268), (169, 1900192), (182, 1764464), (208, 1543906), (221, 1453088), (224, 1433627), (238, 1349296), (272, 1180634), (338, 950096), (364, 882232), (416, 771953), (442, 726544), (476, 674648), (499, 643552), (544, 590317), (676, 475048), (728, 441116), (884, 363272), (952, 337324), (998, 321776), (1183, 271456), (1352, 237524), (1456, 220558), (1547, 207584), (1768, 181636), (1904, 168662), (1996, 160888), (2366, 135728), (2704, 118762), (2873, 111776), (2912, 110279), (3094, 103792), (3493, 91936), (3536, 90818), (3808, 84331), (3992, 80444), (4732, 67864), (5408, 59381), (5746, 55888), (6188, 51896), (6487, 49504), (6986, 45968), (7072, 45409), (7984, 40222), (8483, 37856), (9464, 33932), (11492, 27944), (12376, 25948), (12974, 24752), (13972, 22984), (15968, 20111), (16966, 18928)]