20103578460

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{87187}}^1$

素因数の和:87273

約数の個数: 192

約数和(自身を含む): 72652016640

約数和(自身を除く): 52548438180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 61, 63, 70, 84, 90, 105, 108, 122, 126, 135, 140, 180, 183, 189, 210, 244, 252, 270, 305, 315, 366, 378, 420, 427, 540, 549, 610, 630, 732, 756, 854, 915, 945, 1098, 1220, 1260, 1281, 1647, 1708, 1830, 1890, 2135, 2196, 2562, 2745, 3294, 3660, 3780, 3843, 4270, 5124, 5490, 6405, 6588, 7686, 8235, 8540, 10980, 11529, 12810, 15372, 16470, 19215, 23058, 25620, 32940, 38430, 46116, 57645, 76860, 87187, 115290, 174374, 230580, 261561, 348748, 435935, 523122, 610309, 784683, 871870, 1046244, 1220618, 1307805, 1569366, 1743740, 1830927, 2354049, 2441236, 2615610, 3051545, 3138732, 3661854, 3923415, 4708098, 5231220, 5318407, 5492781, 6103090, 7323708, 7846830, 9154635, 9416196, 10636814, 10985562, 11770245, 12206180, 15693660, 15955221, 16478343, 18309270, 21273628, 21971124, 23540490, 26592035, 27463905, 31910442, 32956686, 36618540, 37228849, 47080980, 47865663, 53184070, 54927810, 63820884, 65913372, 74457698, 79776105, 82391715, 95731326, 106368140, 109855620, 111686547, 143596989, 148915396, 159552210, 164783430, 186144245, 191462652, 223373094, 239328315, 287193978, 319104420, 329566860, 335059641, 372288490, 446746188, 478656630, 558432735, 574387956, 670119282, 717984945, 744576980, 957313260, 1005178923, 1116865470, 1340238564, 1435969890, 1675298205, 2010357846, 2233730940, 2871939780, 3350596410, 4020715692, 5025894615, 6701192820, 10051789230, 20103578460]

約数ペア:

[(1, 20103578460), (2, 10051789230), (3, 6701192820), (4, 5025894615), (5, 4020715692), (6, 3350596410), (7, 2871939780), (9, 2233730940), (10, 2010357846), (12, 1675298205), (14, 1435969890), (15, 1340238564), (18, 1116865470), (20, 1005178923), (21, 957313260), (27, 744576980), (28, 717984945), (30, 670119282), (35, 574387956), (36, 558432735), (42, 478656630), (45, 446746188), (54, 372288490), (60, 335059641), (61, 329566860), (63, 319104420), (70, 287193978), (84, 239328315), (90, 223373094), (105, 191462652), (108, 186144245), (122, 164783430), (126, 159552210), (135, 148915396), (140, 143596989), (180, 111686547), (183, 109855620), (189, 106368140), (210, 95731326), (244, 82391715), (252, 79776105), (270, 74457698), (305, 65913372), (315, 63820884), (366, 54927810), (378, 53184070), (420, 47865663), (427, 47080980), (540, 37228849), (549, 36618540), (610, 32956686), (630, 31910442), (732, 27463905), (756, 26592035), (854, 23540490), (915, 21971124), (945, 21273628), (1098, 18309270), (1220, 16478343), (1260, 15955221), (1281, 15693660), (1647, 12206180), (1708, 11770245), (1830, 10985562), (1890, 10636814), (2135, 9416196), (2196, 9154635), (2562, 7846830), (2745, 7323708), (3294, 6103090), (3660, 5492781), (3780, 5318407), (3843, 5231220), (4270, 4708098), (5124, 3923415), (5490, 3661854), (6405, 3138732), (6588, 3051545), (7686, 2615610), (8235, 2441236), (8540, 2354049), (10980, 1830927), (11529, 1743740), (12810, 1569366), (15372, 1307805), (16470, 1220618), (19215, 1046244), (23058, 871870), (25620, 784683), (32940, 610309), (38430, 523122), (46116, 435935), (57645, 348748), (76860, 261561), (87187, 230580), (115290, 174374)]