68420040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:807

約数の個数: 128

約数和(自身を含む): 224985600

約数和(自身を除く): 156565560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 61, 65, 78, 104, 120, 122, 130, 156, 183, 195, 244, 260, 305, 312, 366, 390, 488, 520, 610, 719, 732, 780, 793, 915, 1220, 1438, 1464, 1560, 1586, 1830, 2157, 2379, 2440, 2876, 3172, 3595, 3660, 3965, 4314, 4758, 5752, 6344, 7190, 7320, 7930, 8628, 9347, 9516, 10785, 11895, 14380, 15860, 17256, 18694, 19032, 21570, 23790, 28041, 28760, 31720, 37388, 43140, 43859, 46735, 47580, 56082, 74776, 86280, 87718, 93470, 95160, 112164, 131577, 140205, 175436, 186940, 219295, 224328, 263154, 280410, 350872, 373880, 438590, 526308, 560820, 570167, 657885, 877180, 1052616, 1121640, 1140334, 1315770, 1710501, 1754360, 2280668, 2631540, 2850835, 3421002, 4561336, 5263080, 5701670, 6842004, 8552505, 11403340, 13684008, 17105010, 22806680, 34210020, 68420040]

約数ペア:

[(1, 68420040), (2, 34210020), (3, 22806680), (4, 17105010), (5, 13684008), (6, 11403340), (8, 8552505), (10, 6842004), (12, 5701670), (13, 5263080), (15, 4561336), (20, 3421002), (24, 2850835), (26, 2631540), (30, 2280668), (39, 1754360), (40, 1710501), (52, 1315770), (60, 1140334), (61, 1121640), (65, 1052616), (78, 877180), (104, 657885), (120, 570167), (122, 560820), (130, 526308), (156, 438590), (183, 373880), (195, 350872), (244, 280410), (260, 263154), (305, 224328), (312, 219295), (366, 186940), (390, 175436), (488, 140205), (520, 131577), (610, 112164), (719, 95160), (732, 93470), (780, 87718), (793, 86280), (915, 74776), (1220, 56082), (1438, 47580), (1464, 46735), (1560, 43859), (1586, 43140), (1830, 37388), (2157, 31720), (2379, 28760), (2440, 28041), (2876, 23790), (3172, 21570), (3595, 19032), (3660, 18694), (3965, 17256), (4314, 15860), (4758, 14380), (5752, 11895), (6344, 10785), (7190, 9516), (7320, 9347), (7930, 8628)]