13553820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 48642048

約数和(自身を除く): 35088228

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 347, 372, 420, 434, 465, 558, 620, 630, 651, 694, 868, 930, 1041, 1085, 1116, 1260, 1302, 1388, 1395, 1735, 1860, 1953, 2082, 2170, 2429, 2604, 2790, 3123, 3255, 3470, 3906, 4164, 4340, 4858, 5205, 5580, 6246, 6510, 6940, 7287, 7812, 9716, 9765, 10410, 10757, 12145, 12492, 13020, 14574, 15615, 19530, 20820, 21514, 21861, 24290, 29148, 31230, 32271, 36435, 39060, 43028, 43722, 48580, 53785, 62460, 64542, 72870, 75299, 87444, 96813, 107570, 109305, 129084, 145740, 150598, 161355, 193626, 215140, 218610, 225897, 301196, 322710, 376495, 387252, 437220, 451794, 484065, 645420, 677691, 752990, 903588, 968130, 1129485, 1355382, 1505980, 1936260, 2258970, 2710764, 3388455, 4517940, 6776910, 13553820]

約数ペア:

[(1, 13553820), (2, 6776910), (3, 4517940), (4, 3388455), (5, 2710764), (6, 2258970), (7, 1936260), (9, 1505980), (10, 1355382), (12, 1129485), (14, 968130), (15, 903588), (18, 752990), (20, 677691), (21, 645420), (28, 484065), (30, 451794), (31, 437220), (35, 387252), (36, 376495), (42, 322710), (45, 301196), (60, 225897), (62, 218610), (63, 215140), (70, 193626), (84, 161355), (90, 150598), (93, 145740), (105, 129084), (124, 109305), (126, 107570), (140, 96813), (155, 87444), (180, 75299), (186, 72870), (210, 64542), (217, 62460), (252, 53785), (279, 48580), (310, 43722), (315, 43028), (347, 39060), (372, 36435), (420, 32271), (434, 31230), (465, 29148), (558, 24290), (620, 21861), (630, 21514), (651, 20820), (694, 19530), (868, 15615), (930, 14574), (1041, 13020), (1085, 12492), (1116, 12145), (1260, 10757), (1302, 10410), (1388, 9765), (1395, 9716), (1735, 7812), (1860, 7287), (1953, 6940), (2082, 6510), (2170, 6246), (2429, 5580), (2604, 5205), (2790, 4858), (3123, 4340), (3255, 4164), (3470, 3906)]