256272960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:461

約数の個数: 224

約数和(自身を含む): 884846592

約数和(自身を除く): 628573632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 41, 48, 51, 60, 64, 68, 80, 82, 85, 96, 102, 120, 123, 136, 160, 164, 170, 192, 204, 205, 240, 246, 255, 272, 320, 328, 340, 383, 408, 410, 480, 492, 510, 544, 615, 656, 680, 697, 766, 816, 820, 960, 984, 1020, 1088, 1149, 1230, 1312, 1360, 1394, 1532, 1632, 1640, 1915, 1968, 2040, 2091, 2298, 2460, 2624, 2720, 2788, 3064, 3264, 3280, 3485, 3830, 3936, 4080, 4182, 4596, 4920, 5440, 5576, 5745, 6128, 6511, 6560, 6970, 7660, 7872, 8160, 8364, 9192, 9840, 10455, 11152, 11490, 12256, 13022, 13120, 13940, 15320, 15703, 16320, 16728, 18384, 19533, 19680, 20910, 22304, 22980, 24512, 26044, 27880, 30640, 31406, 32555, 33456, 36768, 39066, 39360, 41820, 44608, 45960, 47109, 52088, 55760, 61280, 62812, 65110, 66912, 73536, 78132, 78515, 83640, 91920, 94218, 97665, 104176, 111520, 122560, 125624, 130220, 133824, 156264, 157030, 167280, 183840, 188436, 195330, 208352, 223040, 235545, 251248, 260440, 266951, 312528, 314060, 334560, 367680, 376872, 390660, 416704, 471090, 502496, 520880, 533902, 625056, 628120, 669120, 753744, 781320, 800853, 942180, 1004992, 1041760, 1067804, 1250112, 1256240, 1334755, 1507488, 1562640, 1601706, 1884360, 2083520, 2135608, 2512480, 2669510, 3014976, 3125280, 3203412, 3768720, 4004265, 4271216, 5024960, 5339020, 6250560, 6406824, 7537440, 8008530, 8542432, 10678040, 12813648, 15074880, 16017060, 17084864, 21356080, 25627296, 32034120, 42712160, 51254592, 64068240, 85424320, 128136480, 256272960]

約数ペア:

[(1, 256272960), (2, 128136480), (3, 85424320), (4, 64068240), (5, 51254592), (6, 42712160), (8, 32034120), (10, 25627296), (12, 21356080), (15, 17084864), (16, 16017060), (17, 15074880), (20, 12813648), (24, 10678040), (30, 8542432), (32, 8008530), (34, 7537440), (40, 6406824), (41, 6250560), (48, 5339020), (51, 5024960), (60, 4271216), (64, 4004265), (68, 3768720), (80, 3203412), (82, 3125280), (85, 3014976), (96, 2669510), (102, 2512480), (120, 2135608), (123, 2083520), (136, 1884360), (160, 1601706), (164, 1562640), (170, 1507488), (192, 1334755), (204, 1256240), (205, 1250112), (240, 1067804), (246, 1041760), (255, 1004992), (272, 942180), (320, 800853), (328, 781320), (340, 753744), (383, 669120), (408, 628120), (410, 625056), (480, 533902), (492, 520880), (510, 502496), (544, 471090), (615, 416704), (656, 390660), (680, 376872), (697, 367680), (766, 334560), (816, 314060), (820, 312528), (960, 266951), (984, 260440), (1020, 251248), (1088, 235545), (1149, 223040), (1230, 208352), (1312, 195330), (1360, 188436), (1394, 183840), (1532, 167280), (1632, 157030), (1640, 156264), (1915, 133824), (1968, 130220), (2040, 125624), (2091, 122560), (2298, 111520), (2460, 104176), (2624, 97665), (2720, 94218), (2788, 91920), (3064, 83640), (3264, 78515), (3280, 78132), (3485, 73536), (3830, 66912), (3936, 65110), (4080, 62812), (4182, 61280), (4596, 55760), (4920, 52088), (5440, 47109), (5576, 45960), (5745, 44608), (6128, 41820), (6511, 39360), (6560, 39066), (6970, 36768), (7660, 33456), (7872, 32555), (8160, 31406), (8364, 30640), (9192, 27880), (9840, 26044), (10455, 24512), (11152, 22980), (11490, 22304), (12256, 20910), (13022, 19680), (13120, 19533), (13940, 18384), (15320, 16728), (15703, 16320)]