1821071520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:404

約数の個数: 288

約数和(自身を含む): 6419492352

約数和(自身を除く): 4598420832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 72, 80, 90, 96, 106, 107, 120, 144, 159, 160, 180, 212, 214, 223, 240, 265, 288, 318, 321, 360, 424, 428, 446, 477, 480, 530, 535, 636, 642, 669, 720, 795, 848, 856, 892, 954, 963, 1060, 1070, 1115, 1272, 1284, 1338, 1440, 1590, 1605, 1696, 1712, 1784, 1908, 1926, 2007, 2120, 2140, 2230, 2385, 2544, 2568, 2676, 3180, 3210, 3345, 3424, 3568, 3816, 3852, 4014, 4240, 4280, 4460, 4770, 4815, 5088, 5136, 5352, 5671, 6360, 6420, 6690, 7136, 7632, 7704, 8028, 8480, 8560, 8920, 9540, 9630, 10035, 10272, 10704, 11342, 11819, 12720, 12840, 13380, 15264, 15408, 16056, 17013, 17120, 17840, 19080, 19260, 20070, 21408, 22684, 23638, 23861, 25440, 25680, 26760, 28355, 30816, 32112, 34026, 35457, 35680, 38160, 38520, 40140, 45368, 47276, 47722, 51039, 51360, 53520, 56710, 59095, 64224, 68052, 70914, 71583, 76320, 77040, 80280, 85065, 90736, 94552, 95444, 102078, 106371, 107040, 113420, 118190, 119305, 136104, 141828, 143166, 154080, 160560, 170130, 177285, 181472, 189104, 190888, 204156, 212742, 214749, 226840, 236380, 238610, 255195, 272208, 283656, 286332, 321120, 340260, 354570, 357915, 378208, 381776, 408312, 425484, 429498, 453680, 472760, 477220, 510390, 531855, 544416, 567312, 572664, 680520, 709140, 715830, 763552, 816624, 850968, 858996, 907360, 945520, 954440, 1020780, 1063710, 1073745, 1134624, 1145328, 1264633, 1361040, 1418280, 1431660, 1633248, 1701936, 1717992, 1891040, 1908880, 2041560, 2127420, 2147490, 2290656, 2529266, 2722080, 2836560, 2863320, 3403872, 3435984, 3793899, 3817760, 4083120, 4254840, 4294980, 5058532, 5673120, 5726640, 6323165, 6871968, 7587798, 8166240, 8509680, 8589960, 10117064, 11381697, 11453280, 12646330, 15175596, 17019360, 17179920, 18969495, 20234128, 22763394, 25292660, 30351192, 34359840, 37938990, 40468256, 45526788, 50585320, 56908485, 60702384, 75877980, 91053576, 101170640, 113816970, 121404768, 151755960, 182107152, 202341280, 227633940, 303511920, 364214304, 455267880, 607023840, 910535760, 1821071520]

約数ペア:

[(1, 1821071520), (2, 910535760), (3, 607023840), (4, 455267880), (5, 364214304), (6, 303511920), (8, 227633940), (9, 202341280), (10, 182107152), (12, 151755960), (15, 121404768), (16, 113816970), (18, 101170640), (20, 91053576), (24, 75877980), (30, 60702384), (32, 56908485), (36, 50585320), (40, 45526788), (45, 40468256), (48, 37938990), (53, 34359840), (60, 30351192), (72, 25292660), (80, 22763394), (90, 20234128), (96, 18969495), (106, 17179920), (107, 17019360), (120, 15175596), (144, 12646330), (159, 11453280), (160, 11381697), (180, 10117064), (212, 8589960), (214, 8509680), (223, 8166240), (240, 7587798), (265, 6871968), (288, 6323165), (318, 5726640), (321, 5673120), (360, 5058532), (424, 4294980), (428, 4254840), (446, 4083120), (477, 3817760), (480, 3793899), (530, 3435984), (535, 3403872), (636, 2863320), (642, 2836560), (669, 2722080), (720, 2529266), (795, 2290656), (848, 2147490), (856, 2127420), (892, 2041560), (954, 1908880), (963, 1891040), (1060, 1717992), (1070, 1701936), (1115, 1633248), (1272, 1431660), (1284, 1418280), (1338, 1361040), (1440, 1264633), (1590, 1145328), (1605, 1134624), (1696, 1073745), (1712, 1063710), (1784, 1020780), (1908, 954440), (1926, 945520), (2007, 907360), (2120, 858996), (2140, 850968), (2230, 816624), (2385, 763552), (2544, 715830), (2568, 709140), (2676, 680520), (3180, 572664), (3210, 567312), (3345, 544416), (3424, 531855), (3568, 510390), (3816, 477220), (3852, 472760), (4014, 453680), (4240, 429498), (4280, 425484), (4460, 408312), (4770, 381776), (4815, 378208), (5088, 357915), (5136, 354570), (5352, 340260), (5671, 321120), (6360, 286332), (6420, 283656), (6690, 272208), (7136, 255195), (7632, 238610), (7704, 236380), (8028, 226840), (8480, 214749), (8560, 212742), (8920, 204156), (9540, 190888), (9630, 189104), (10035, 181472), (10272, 177285), (10704, 170130), (11342, 160560), (11819, 154080), (12720, 143166), (12840, 141828), (13380, 136104), (15264, 119305), (15408, 118190), (16056, 113420), (17013, 107040), (17120, 106371), (17840, 102078), (19080, 95444), (19260, 94552), (20070, 90736), (21408, 85065), (22684, 80280), (23638, 77040), (23861, 76320), (25440, 71583), (25680, 70914), (26760, 68052), (28355, 64224), (30816, 59095), (32112, 56710), (34026, 53520), (35457, 51360), (35680, 51039), (38160, 47722), (38520, 47276), (40140, 45368)]