19766880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:118

約数の個数: 288

約数和(自身を含む): 80668224

約数和(自身を除く): 60901344

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, 37, 40, 42, 45, 48, 53, 56, 60, 63, 70, 72, 74, 80, 84, 90, 96, 105, 106, 111, 112, 120, 126, 140, 144, 148, 159, 160, 168, 180, 185, 210, 212, 222, 224, 240, 252, 259, 265, 280, 288, 296, 315, 318, 333, 336, 360, 370, 371, 420, 424, 444, 477, 480, 504, 518, 530, 555, 560, 592, 630, 636, 666, 672, 720, 740, 742, 777, 795, 840, 848, 888, 954, 1008, 1036, 1060, 1110, 1113, 1120, 1184, 1260, 1272, 1295, 1332, 1440, 1480, 1484, 1554, 1590, 1665, 1680, 1696, 1776, 1855, 1908, 1961, 2016, 2072, 2120, 2220, 2226, 2331, 2385, 2520, 2544, 2590, 2664, 2960, 2968, 3108, 3180, 3330, 3339, 3360, 3552, 3710, 3816, 3885, 3922, 4144, 4240, 4440, 4452, 4662, 4770, 5040, 5088, 5180, 5328, 5565, 5883, 5920, 5936, 6216, 6360, 6660, 6678, 7420, 7632, 7770, 7844, 8288, 8480, 8880, 8904, 9324, 9540, 9805, 10080, 10360, 10656, 11130, 11655, 11766, 11872, 12432, 12720, 13320, 13356, 13727, 14840, 15264, 15540, 15688, 16695, 17649, 17760, 17808, 18648, 19080, 19610, 20720, 22260, 23310, 23532, 24864, 25440, 26640, 26712, 27454, 29415, 29680, 31080, 31376, 33390, 35298, 35616, 37296, 38160, 39220, 41181, 41440, 44520, 46620, 47064, 53280, 53424, 54908, 58830, 59360, 62160, 62752, 66780, 68635, 70596, 74592, 76320, 78440, 82362, 88245, 89040, 93240, 94128, 106848, 109816, 117660, 123543, 124320, 133560, 137270, 141192, 156880, 164724, 176490, 178080, 186480, 188256, 205905, 219632, 235320, 247086, 267120, 274540, 282384, 313760, 329448, 352980, 372960, 411810, 439264, 470640, 494172, 534240, 549080, 564768, 617715, 658896, 705960, 823620, 941280, 988344, 1098160, 1235430, 1317792, 1411920, 1647240, 1976688, 2196320, 2470860, 2823840, 3294480, 3953376, 4941720, 6588960, 9883440, 19766880]

約数ペア:

[(1, 19766880), (2, 9883440), (3, 6588960), (4, 4941720), (5, 3953376), (6, 3294480), (7, 2823840), (8, 2470860), (9, 2196320), (10, 1976688), (12, 1647240), (14, 1411920), (15, 1317792), (16, 1235430), (18, 1098160), (20, 988344), (21, 941280), (24, 823620), (28, 705960), (30, 658896), (32, 617715), (35, 564768), (36, 549080), (37, 534240), (40, 494172), (42, 470640), (45, 439264), (48, 411810), (53, 372960), (56, 352980), (60, 329448), (63, 313760), (70, 282384), (72, 274540), (74, 267120), (80, 247086), (84, 235320), (90, 219632), (96, 205905), (105, 188256), (106, 186480), (111, 178080), (112, 176490), (120, 164724), (126, 156880), (140, 141192), (144, 137270), (148, 133560), (159, 124320), (160, 123543), (168, 117660), (180, 109816), (185, 106848), (210, 94128), (212, 93240), (222, 89040), (224, 88245), (240, 82362), (252, 78440), (259, 76320), (265, 74592), (280, 70596), (288, 68635), (296, 66780), (315, 62752), (318, 62160), (333, 59360), (336, 58830), (360, 54908), (370, 53424), (371, 53280), (420, 47064), (424, 46620), (444, 44520), (477, 41440), (480, 41181), (504, 39220), (518, 38160), (530, 37296), (555, 35616), (560, 35298), (592, 33390), (630, 31376), (636, 31080), (666, 29680), (672, 29415), (720, 27454), (740, 26712), (742, 26640), (777, 25440), (795, 24864), (840, 23532), (848, 23310), (888, 22260), (954, 20720), (1008, 19610), (1036, 19080), (1060, 18648), (1110, 17808), (1113, 17760), (1120, 17649), (1184, 16695), (1260, 15688), (1272, 15540), (1295, 15264), (1332, 14840), (1440, 13727), (1480, 13356), (1484, 13320), (1554, 12720), (1590, 12432), (1665, 11872), (1680, 11766), (1696, 11655), (1776, 11130), (1855, 10656), (1908, 10360), (1961, 10080), (2016, 9805), (2072, 9540), (2120, 9324), (2220, 8904), (2226, 8880), (2331, 8480), (2385, 8288), (2520, 7844), (2544, 7770), (2590, 7632), (2664, 7420), (2960, 6678), (2968, 6660), (3108, 6360), (3180, 6216), (3330, 5936), (3339, 5920), (3360, 5883), (3552, 5565), (3710, 5328), (3816, 5180), (3885, 5088), (3922, 5040), (4144, 4770), (4240, 4662), (4440, 4452)]