393760640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6761}}^1$

素因数の和:6800

約数の個数: 128

約数和(自身を含む): 1158736320

約数和(自身を除く): 764975680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 4160, 4480, 5824, 6761, 7280, 8320, 11648, 13522, 14560, 27044, 29120, 33805, 47327, 54088, 58240, 67610, 87893, 94654, 108176, 135220, 175786, 189308, 216352, 236635, 270440, 351572, 378616, 432704, 439465, 473270, 540880, 615251, 703144, 757232, 865408, 878930, 946540, 1081760, 1230502, 1406288, 1514464, 1757860, 1893080, 2163520, 2461004, 2812576, 3028928, 3076255, 3515720, 3786160, 4327040, 4922008, 5625152, 6057856, 6152510, 7031440, 7572320, 9844016, 11250304, 12305020, 14062880, 15144640, 19688032, 24610040, 28125760, 30289280, 39376064, 49220080, 56251520, 78752128, 98440160, 196880320, 393760640]

約数ペア:

[(1, 393760640), (2, 196880320), (4, 98440160), (5, 78752128), (7, 56251520), (8, 49220080), (10, 39376064), (13, 30289280), (14, 28125760), (16, 24610040), (20, 19688032), (26, 15144640), (28, 14062880), (32, 12305020), (35, 11250304), (40, 9844016), (52, 7572320), (56, 7031440), (64, 6152510), (65, 6057856), (70, 5625152), (80, 4922008), (91, 4327040), (104, 3786160), (112, 3515720), (128, 3076255), (130, 3028928), (140, 2812576), (160, 2461004), (182, 2163520), (208, 1893080), (224, 1757860), (260, 1514464), (280, 1406288), (320, 1230502), (364, 1081760), (416, 946540), (448, 878930), (455, 865408), (520, 757232), (560, 703144), (640, 615251), (728, 540880), (832, 473270), (896, 439465), (910, 432704), (1040, 378616), (1120, 351572), (1456, 270440), (1664, 236635), (1820, 216352), (2080, 189308), (2240, 175786), (2912, 135220), (3640, 108176), (4160, 94654), (4480, 87893), (5824, 67610), (6761, 58240), (7280, 54088), (8320, 47327), (11648, 33805), (13522, 29120), (14560, 27044)]