81822780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:580

約数の個数: 144

約数和(自身を含む): 271514880

約数和(自身を除く): 189692100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 73, 78, 90, 117, 130, 146, 156, 180, 195, 219, 234, 260, 292, 365, 390, 438, 468, 479, 585, 657, 730, 780, 876, 949, 958, 1095, 1170, 1314, 1437, 1460, 1898, 1916, 2190, 2340, 2395, 2628, 2847, 2874, 3285, 3796, 4311, 4380, 4745, 4790, 5694, 5748, 6227, 6570, 7185, 8541, 8622, 9490, 9580, 11388, 12454, 13140, 14235, 14370, 17082, 17244, 18681, 18980, 21555, 24908, 28470, 28740, 31135, 34164, 34967, 37362, 42705, 43110, 56043, 56940, 62270, 69934, 74724, 85410, 86220, 93405, 104901, 112086, 124540, 139868, 170820, 174835, 186810, 209802, 224172, 280215, 314703, 349670, 373620, 419604, 454571, 524505, 560430, 629406, 699340, 909142, 1049010, 1120860, 1258812, 1363713, 1573515, 1818284, 2098020, 2272855, 2727426, 3147030, 4091139, 4545710, 5454852, 6294060, 6818565, 8182278, 9091420, 13637130, 16364556, 20455695, 27274260, 40911390, 81822780]

約数ペア:

[(1, 81822780), (2, 40911390), (3, 27274260), (4, 20455695), (5, 16364556), (6, 13637130), (9, 9091420), (10, 8182278), (12, 6818565), (13, 6294060), (15, 5454852), (18, 4545710), (20, 4091139), (26, 3147030), (30, 2727426), (36, 2272855), (39, 2098020), (45, 1818284), (52, 1573515), (60, 1363713), (65, 1258812), (73, 1120860), (78, 1049010), (90, 909142), (117, 699340), (130, 629406), (146, 560430), (156, 524505), (180, 454571), (195, 419604), (219, 373620), (234, 349670), (260, 314703), (292, 280215), (365, 224172), (390, 209802), (438, 186810), (468, 174835), (479, 170820), (585, 139868), (657, 124540), (730, 112086), (780, 104901), (876, 93405), (949, 86220), (958, 85410), (1095, 74724), (1170, 69934), (1314, 62270), (1437, 56940), (1460, 56043), (1898, 43110), (1916, 42705), (2190, 37362), (2340, 34967), (2395, 34164), (2628, 31135), (2847, 28740), (2874, 28470), (3285, 24908), (3796, 21555), (4311, 18980), (4380, 18681), (4745, 17244), (4790, 17082), (5694, 14370), (5748, 14235), (6227, 13140), (6570, 12454), (7185, 11388), (8541, 9580), (8622, 9490)]