645251040

素因数分解:

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

素因数の和:64041

約数の個数: 144

約数和(自身を含む): 2516518368

約数和(自身を除く): 1871267328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 64013, 128026, 192039, 256052, 320065, 384078, 448091, 512104, 576117, 640130, 768156, 896182, 960195, 1024208, 1152234, 1280260, 1344273, 1536312, 1792364, 1920390, 2048416, 2240455, 2304468, 2560520, 2688546, 2880585, 3072624, 3584728, 3840780, 4032819, 4480910, 4608936, 5121040, 5377092, 5761170, 6145248, 6721365, 7169456, 7681560, 8065638, 8961820, 9217872, 10242080, 10754184, 11522340, 13442730, 14338912, 15363120, 16131276, 17923640, 18435744, 20164095, 21508368, 23044680, 26885460, 30726240, 32262552, 35847280, 40328190, 43016736, 46089360, 53770920, 64525104, 71694560, 80656380, 92178720, 107541840, 129050208, 161312760, 215083680, 322625520, 645251040]

約数ペア:

[(1, 645251040), (2, 322625520), (3, 215083680), (4, 161312760), (5, 129050208), (6, 107541840), (7, 92178720), (8, 80656380), (9, 71694560), (10, 64525104), (12, 53770920), (14, 46089360), (15, 43016736), (16, 40328190), (18, 35847280), (20, 32262552), (21, 30726240), (24, 26885460), (28, 23044680), (30, 21508368), (32, 20164095), (35, 18435744), (36, 17923640), (40, 16131276), (42, 15363120), (45, 14338912), (48, 13442730), (56, 11522340), (60, 10754184), (63, 10242080), (70, 9217872), (72, 8961820), (80, 8065638), (84, 7681560), (90, 7169456), (96, 6721365), (105, 6145248), (112, 5761170), (120, 5377092), (126, 5121040), (140, 4608936), (144, 4480910), (160, 4032819), (168, 3840780), (180, 3584728), (210, 3072624), (224, 2880585), (240, 2688546), (252, 2560520), (280, 2304468), (288, 2240455), (315, 2048416), (336, 1920390), (360, 1792364), (420, 1536312), (480, 1344273), (504, 1280260), (560, 1152234), (630, 1024208), (672, 960195), (720, 896182), (840, 768156), (1008, 640130), (1120, 576117), (1260, 512104), (1440, 448091), (1680, 384078), (2016, 320065), (2520, 256052), (3360, 192039), (5040, 128026), (10080, 64013)]