78481440

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:552

約数の個数: 192

約数和(自身を含む): 282683520

約数和(自身を除く): 204202080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 96, 108, 111, 120, 135, 144, 148, 160, 180, 185, 216, 222, 240, 270, 288, 296, 333, 360, 370, 432, 444, 480, 491, 540, 555, 592, 666, 720, 740, 864, 888, 982, 999, 1080, 1110, 1184, 1332, 1440, 1473, 1480, 1665, 1776, 1964, 1998, 2160, 2220, 2455, 2664, 2946, 2960, 3330, 3552, 3928, 3996, 4320, 4419, 4440, 4910, 4995, 5328, 5892, 5920, 6660, 7365, 7856, 7992, 8838, 8880, 9820, 9990, 10656, 11784, 13257, 13320, 14730, 15712, 15984, 17676, 17760, 18167, 19640, 19980, 22095, 23568, 26514, 26640, 29460, 31968, 35352, 36334, 39280, 39960, 44190, 47136, 53028, 53280, 54501, 58920, 66285, 70704, 72668, 78560, 79920, 88380, 90835, 106056, 109002, 117840, 132570, 141408, 145336, 159840, 163503, 176760, 181670, 212112, 218004, 235680, 265140, 272505, 290672, 327006, 353520, 363340, 424224, 436008, 490509, 530280, 545010, 581344, 654012, 707040, 726680, 817515, 872016, 981018, 1060560, 1090020, 1308024, 1453360, 1635030, 1744032, 1962036, 2121120, 2180040, 2452545, 2616048, 2906720, 3270060, 3924072, 4360080, 4905090, 5232096, 6540120, 7848144, 8720160, 9810180, 13080240, 15696288, 19620360, 26160480, 39240720, 78481440]

約数ペア:

[(1, 78481440), (2, 39240720), (3, 26160480), (4, 19620360), (5, 15696288), (6, 13080240), (8, 9810180), (9, 8720160), (10, 7848144), (12, 6540120), (15, 5232096), (16, 4905090), (18, 4360080), (20, 3924072), (24, 3270060), (27, 2906720), (30, 2616048), (32, 2452545), (36, 2180040), (37, 2121120), (40, 1962036), (45, 1744032), (48, 1635030), (54, 1453360), (60, 1308024), (72, 1090020), (74, 1060560), (80, 981018), (90, 872016), (96, 817515), (108, 726680), (111, 707040), (120, 654012), (135, 581344), (144, 545010), (148, 530280), (160, 490509), (180, 436008), (185, 424224), (216, 363340), (222, 353520), (240, 327006), (270, 290672), (288, 272505), (296, 265140), (333, 235680), (360, 218004), (370, 212112), (432, 181670), (444, 176760), (480, 163503), (491, 159840), (540, 145336), (555, 141408), (592, 132570), (666, 117840), (720, 109002), (740, 106056), (864, 90835), (888, 88380), (982, 79920), (999, 78560), (1080, 72668), (1110, 70704), (1184, 66285), (1332, 58920), (1440, 54501), (1473, 53280), (1480, 53028), (1665, 47136), (1776, 44190), (1964, 39960), (1998, 39280), (2160, 36334), (2220, 35352), (2455, 31968), (2664, 29460), (2946, 26640), (2960, 26514), (3330, 23568), (3552, 22095), (3928, 19980), (3996, 19640), (4320, 18167), (4419, 17760), (4440, 17676), (4910, 15984), (4995, 15712), (5328, 14730), (5892, 13320), (5920, 13257), (6660, 11784), (7365, 10656), (7856, 9990), (7992, 9820), (8838, 8880)]