80219880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:372

約数の個数: 192

約数和(自身を含む): 286387920

約数和(自身を除く): 206168040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 61, 65, 72, 78, 90, 104, 117, 120, 122, 130, 156, 180, 183, 195, 234, 244, 260, 281, 305, 312, 360, 366, 390, 468, 488, 520, 549, 562, 585, 610, 732, 780, 793, 843, 915, 936, 1098, 1124, 1170, 1220, 1405, 1464, 1560, 1586, 1686, 1830, 2196, 2248, 2340, 2379, 2440, 2529, 2745, 2810, 3172, 3372, 3653, 3660, 3965, 4215, 4392, 4680, 4758, 5058, 5490, 5620, 6344, 6744, 7137, 7306, 7320, 7930, 8430, 9516, 10116, 10959, 10980, 11240, 11895, 12645, 14274, 14612, 15860, 16860, 17141, 18265, 19032, 20232, 21918, 21960, 23790, 25290, 28548, 29224, 31720, 32877, 33720, 34282, 35685, 36530, 43836, 47580, 50580, 51423, 54795, 57096, 65754, 68564, 71370, 73060, 85705, 87672, 95160, 101160, 102846, 109590, 131508, 137128, 142740, 146120, 154269, 164385, 171410, 205692, 219180, 222833, 257115, 263016, 285480, 308538, 328770, 342820, 411384, 438360, 445666, 514230, 617076, 657540, 668499, 685640, 771345, 891332, 1028460, 1114165, 1234152, 1315080, 1336998, 1542690, 1782664, 2005497, 2056920, 2228330, 2673996, 3085380, 3342495, 4010994, 4456660, 5347992, 6170760, 6684990, 8021988, 8913320, 10027485, 13369980, 16043976, 20054970, 26739960, 40109940, 80219880]

約数ペア:

[(1, 80219880), (2, 40109940), (3, 26739960), (4, 20054970), (5, 16043976), (6, 13369980), (8, 10027485), (9, 8913320), (10, 8021988), (12, 6684990), (13, 6170760), (15, 5347992), (18, 4456660), (20, 4010994), (24, 3342495), (26, 3085380), (30, 2673996), (36, 2228330), (39, 2056920), (40, 2005497), (45, 1782664), (52, 1542690), (60, 1336998), (61, 1315080), (65, 1234152), (72, 1114165), (78, 1028460), (90, 891332), (104, 771345), (117, 685640), (120, 668499), (122, 657540), (130, 617076), (156, 514230), (180, 445666), (183, 438360), (195, 411384), (234, 342820), (244, 328770), (260, 308538), (281, 285480), (305, 263016), (312, 257115), (360, 222833), (366, 219180), (390, 205692), (468, 171410), (488, 164385), (520, 154269), (549, 146120), (562, 142740), (585, 137128), (610, 131508), (732, 109590), (780, 102846), (793, 101160), (843, 95160), (915, 87672), (936, 85705), (1098, 73060), (1124, 71370), (1170, 68564), (1220, 65754), (1405, 57096), (1464, 54795), (1560, 51423), (1586, 50580), (1686, 47580), (1830, 43836), (2196, 36530), (2248, 35685), (2340, 34282), (2379, 33720), (2440, 32877), (2529, 31720), (2745, 29224), (2810, 28548), (3172, 25290), (3372, 23790), (3653, 21960), (3660, 21918), (3965, 20232), (4215, 19032), (4392, 18265), (4680, 17141), (4758, 16860), (5058, 15860), (5490, 14612), (5620, 14274), (6344, 12645), (6744, 11895), (7137, 11240), (7306, 10980), (7320, 10959), (7930, 10116), (8430, 9516)]