76881240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^2$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 261069120

約数和(自身を除く): 184187880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 83, 90, 93, 120, 124, 155, 166, 180, 186, 248, 249, 279, 310, 332, 360, 372, 415, 465, 498, 558, 620, 664, 744, 747, 830, 930, 996, 1116, 1240, 1245, 1395, 1494, 1660, 1860, 1992, 2232, 2490, 2573, 2790, 2988, 3320, 3720, 3735, 4980, 5146, 5580, 5976, 6889, 7470, 7719, 9960, 10292, 11160, 12865, 13778, 14940, 15438, 20584, 20667, 23157, 25730, 27556, 29880, 30876, 34445, 38595, 41334, 46314, 51460, 55112, 61752, 62001, 68890, 77190, 82668, 92628, 102920, 103335, 115785, 124002, 137780, 154380, 165336, 185256, 206670, 213559, 231570, 248004, 275560, 308760, 310005, 413340, 427118, 463140, 496008, 620010, 640677, 826680, 854236, 926280, 1067795, 1240020, 1281354, 1708472, 1922031, 2135590, 2480040, 2562708, 3203385, 3844062, 4271180, 5125416, 6406770, 7688124, 8542360, 9610155, 12813540, 15376248, 19220310, 25627080, 38440620, 76881240]

約数ペア:

[(1, 76881240), (2, 38440620), (3, 25627080), (4, 19220310), (5, 15376248), (6, 12813540), (8, 9610155), (9, 8542360), (10, 7688124), (12, 6406770), (15, 5125416), (18, 4271180), (20, 3844062), (24, 3203385), (30, 2562708), (31, 2480040), (36, 2135590), (40, 1922031), (45, 1708472), (60, 1281354), (62, 1240020), (72, 1067795), (83, 926280), (90, 854236), (93, 826680), (120, 640677), (124, 620010), (155, 496008), (166, 463140), (180, 427118), (186, 413340), (248, 310005), (249, 308760), (279, 275560), (310, 248004), (332, 231570), (360, 213559), (372, 206670), (415, 185256), (465, 165336), (498, 154380), (558, 137780), (620, 124002), (664, 115785), (744, 103335), (747, 102920), (830, 92628), (930, 82668), (996, 77190), (1116, 68890), (1240, 62001), (1245, 61752), (1395, 55112), (1494, 51460), (1660, 46314), (1860, 41334), (1992, 38595), (2232, 34445), (2490, 30876), (2573, 29880), (2790, 27556), (2988, 25730), (3320, 23157), (3720, 20667), (3735, 20584), (4980, 15438), (5146, 14940), (5580, 13778), (5976, 12865), (6889, 11160), (7470, 10292), (7719, 9960)]