390401280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{33889}}^1$

素因数の和:33916

約数の個数: 108

約数和(自身を含む): 1350787620

約数和(自身を除く): 960386340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 33889, 67778, 101667, 135556, 169445, 203334, 271112, 305001, 338890, 406668, 508335, 542224, 610002, 677780, 813336, 1016670, 1084448, 1220004, 1355560, 1525005, 1626672, 2033340, 2168896, 2440008, 2711120, 3050010, 3253344, 4066680, 4337792, 4880016, 5422240, 6100020, 6506688, 8133360, 8675584, 9760032, 10844480, 12200040, 13013376, 16266720, 19520064, 21688960, 24400080, 26026752, 32533440, 39040128, 43377920, 48800160, 65066880, 78080256, 97600320, 130133760, 195200640, 390401280]

約数ペア:

[(1, 390401280), (2, 195200640), (3, 130133760), (4, 97600320), (5, 78080256), (6, 65066880), (8, 48800160), (9, 43377920), (10, 39040128), (12, 32533440), (15, 26026752), (16, 24400080), (18, 21688960), (20, 19520064), (24, 16266720), (30, 13013376), (32, 12200040), (36, 10844480), (40, 9760032), (45, 8675584), (48, 8133360), (60, 6506688), (64, 6100020), (72, 5422240), (80, 4880016), (90, 4337792), (96, 4066680), (120, 3253344), (128, 3050010), (144, 2711120), (160, 2440008), (180, 2168896), (192, 2033340), (240, 1626672), (256, 1525005), (288, 1355560), (320, 1220004), (360, 1084448), (384, 1016670), (480, 813336), (576, 677780), (640, 610002), (720, 542224), (768, 508335), (960, 406668), (1152, 338890), (1280, 305001), (1440, 271112), (1920, 203334), (2304, 169445), (2880, 135556), (3840, 101667), (5760, 67778), (11520, 33889)]