1720669440

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{64013}}^1$

素因数の和:64044

約数の個数: 144

約数和(自身を含む): 6280541568

約数和(自身を除く): 4559872128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 26880, 64013, 128026, 192039, 256052, 320065, 384078, 448091, 512104, 640130, 768156, 896182, 960195, 1024208, 1280260, 1344273, 1536312, 1792364, 1920390, 2048416, 2240455, 2560520, 2688546, 3072624, 3584728, 3840780, 4096832, 4480910, 5121040, 5377092, 6145248, 6721365, 7169456, 7681560, 8193664, 8961820, 10242080, 10754184, 12290496, 13442730, 14338912, 15363120, 16387328, 17923640, 20484160, 21508368, 24580992, 26885460, 28677824, 30726240, 35847280, 40968320, 43016736, 49161984, 53770920, 57355648, 61452480, 71694560, 81936640, 86033472, 107541840, 114711296, 122904960, 143389120, 172066944, 215083680, 245809920, 286778240, 344133888, 430167360, 573556480, 860334720, 1720669440]

約数ペア:

[(1, 1720669440), (2, 860334720), (3, 573556480), (4, 430167360), (5, 344133888), (6, 286778240), (7, 245809920), (8, 215083680), (10, 172066944), (12, 143389120), (14, 122904960), (15, 114711296), (16, 107541840), (20, 86033472), (21, 81936640), (24, 71694560), (28, 61452480), (30, 57355648), (32, 53770920), (35, 49161984), (40, 43016736), (42, 40968320), (48, 35847280), (56, 30726240), (60, 28677824), (64, 26885460), (70, 24580992), (80, 21508368), (84, 20484160), (96, 17923640), (105, 16387328), (112, 15363120), (120, 14338912), (128, 13442730), (140, 12290496), (160, 10754184), (168, 10242080), (192, 8961820), (210, 8193664), (224, 7681560), (240, 7169456), (256, 6721365), (280, 6145248), (320, 5377092), (336, 5121040), (384, 4480910), (420, 4096832), (448, 3840780), (480, 3584728), (560, 3072624), (640, 2688546), (672, 2560520), (768, 2240455), (840, 2048416), (896, 1920390), (960, 1792364), (1120, 1536312), (1280, 1344273), (1344, 1280260), (1680, 1024208), (1792, 960195), (1920, 896182), (2240, 768156), (2688, 640130), (3360, 512104), (3840, 448091), (4480, 384078), (5376, 320065), (6720, 256052), (8960, 192039), (13440, 128026), (26880, 64013)]