80378040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:134

約数の個数: 192

約数和(自身を含む): 270254880

約数和(自身を除く): 189876840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 41, 51, 60, 62, 68, 82, 85, 93, 102, 120, 123, 124, 136, 155, 164, 170, 186, 204, 205, 246, 248, 255, 310, 328, 340, 372, 408, 410, 465, 492, 510, 527, 615, 620, 680, 697, 744, 820, 930, 961, 984, 1020, 1054, 1230, 1240, 1271, 1394, 1581, 1640, 1860, 1922, 2040, 2091, 2108, 2460, 2542, 2635, 2788, 2883, 3162, 3485, 3720, 3813, 3844, 4182, 4216, 4805, 4920, 5084, 5270, 5576, 5766, 6324, 6355, 6970, 7626, 7688, 7905, 8364, 9610, 10168, 10455, 10540, 11532, 12648, 12710, 13940, 14415, 15252, 15810, 16337, 16728, 19065, 19220, 20910, 21080, 21607, 23064, 25420, 27880, 28830, 30504, 31620, 32674, 38130, 38440, 39401, 41820, 43214, 49011, 50840, 57660, 63240, 64821, 65348, 76260, 78802, 81685, 83640, 86428, 98022, 108035, 115320, 118203, 129642, 130696, 152520, 157604, 163370, 172856, 196044, 197005, 216070, 236406, 245055, 259284, 315208, 324105, 326740, 392088, 394010, 432140, 472812, 490110, 518568, 591015, 648210, 653480, 669817, 788020, 864280, 945624, 980220, 1182030, 1296420, 1339634, 1576040, 1960440, 2009451, 2364060, 2592840, 2679268, 3349085, 4018902, 4728120, 5358536, 6698170, 8037804, 10047255, 13396340, 16075608, 20094510, 26792680, 40189020, 80378040]

約数ペア:

[(1, 80378040), (2, 40189020), (3, 26792680), (4, 20094510), (5, 16075608), (6, 13396340), (8, 10047255), (10, 8037804), (12, 6698170), (15, 5358536), (17, 4728120), (20, 4018902), (24, 3349085), (30, 2679268), (31, 2592840), (34, 2364060), (40, 2009451), (41, 1960440), (51, 1576040), (60, 1339634), (62, 1296420), (68, 1182030), (82, 980220), (85, 945624), (93, 864280), (102, 788020), (120, 669817), (123, 653480), (124, 648210), (136, 591015), (155, 518568), (164, 490110), (170, 472812), (186, 432140), (204, 394010), (205, 392088), (246, 326740), (248, 324105), (255, 315208), (310, 259284), (328, 245055), (340, 236406), (372, 216070), (408, 197005), (410, 196044), (465, 172856), (492, 163370), (510, 157604), (527, 152520), (615, 130696), (620, 129642), (680, 118203), (697, 115320), (744, 108035), (820, 98022), (930, 86428), (961, 83640), (984, 81685), (1020, 78802), (1054, 76260), (1230, 65348), (1240, 64821), (1271, 63240), (1394, 57660), (1581, 50840), (1640, 49011), (1860, 43214), (1922, 41820), (2040, 39401), (2091, 38440), (2108, 38130), (2460, 32674), (2542, 31620), (2635, 30504), (2788, 28830), (2883, 27880), (3162, 25420), (3485, 23064), (3720, 21607), (3813, 21080), (3844, 20910), (4182, 19220), (4216, 19065), (4805, 16728), (4920, 16337), (5084, 15810), (5270, 15252), (5576, 14415), (5766, 13940), (6324, 12710), (6355, 12648), (6970, 11532), (7626, 10540), (7688, 10455), (7905, 10168), (8364, 9610)]