641378880

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2819}}^1$

素因数の和:2921

約数の個数: 168

約数和(自身を含む): 2234793600

約数和(自身を除く): 1593414720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 192, 237, 240, 288, 316, 320, 360, 395, 474, 480, 576, 632, 711, 720, 790, 948, 960, 1185, 1264, 1422, 1440, 1580, 1896, 2370, 2528, 2819, 2844, 2880, 3160, 3555, 3792, 4740, 5056, 5638, 5688, 6320, 7110, 7584, 8457, 9480, 11276, 11376, 12640, 14095, 14220, 15168, 16914, 18960, 22552, 22752, 25280, 25371, 28190, 28440, 33828, 37920, 42285, 45104, 45504, 50742, 56380, 56880, 67656, 75840, 84570, 90208, 101484, 112760, 113760, 126855, 135312, 169140, 180416, 202968, 222701, 225520, 227520, 253710, 270624, 338280, 405936, 445402, 451040, 507420, 541248, 668103, 676560, 811872, 890804, 902080, 1014840, 1113505, 1336206, 1353120, 1623744, 1781608, 2004309, 2029680, 2227010, 2672412, 2706240, 3340515, 3563216, 4008618, 4059360, 4454020, 5344824, 6681030, 7126432, 8017236, 8118720, 8908040, 10021545, 10689648, 13362060, 14252864, 16034472, 17816080, 20043090, 21379296, 26724120, 32068944, 35632160, 40086180, 42758592, 53448240, 64137888, 71264320, 80172360, 106896480, 128275776, 160344720, 213792960, 320689440, 641378880]

約数ペア:

[(1, 641378880), (2, 320689440), (3, 213792960), (4, 160344720), (5, 128275776), (6, 106896480), (8, 80172360), (9, 71264320), (10, 64137888), (12, 53448240), (15, 42758592), (16, 40086180), (18, 35632160), (20, 32068944), (24, 26724120), (30, 21379296), (32, 20043090), (36, 17816080), (40, 16034472), (45, 14252864), (48, 13362060), (60, 10689648), (64, 10021545), (72, 8908040), (79, 8118720), (80, 8017236), (90, 7126432), (96, 6681030), (120, 5344824), (144, 4454020), (158, 4059360), (160, 4008618), (180, 3563216), (192, 3340515), (237, 2706240), (240, 2672412), (288, 2227010), (316, 2029680), (320, 2004309), (360, 1781608), (395, 1623744), (474, 1353120), (480, 1336206), (576, 1113505), (632, 1014840), (711, 902080), (720, 890804), (790, 811872), (948, 676560), (960, 668103), (1185, 541248), (1264, 507420), (1422, 451040), (1440, 445402), (1580, 405936), (1896, 338280), (2370, 270624), (2528, 253710), (2819, 227520), (2844, 225520), (2880, 222701), (3160, 202968), (3555, 180416), (3792, 169140), (4740, 135312), (5056, 126855), (5638, 113760), (5688, 112760), (6320, 101484), (7110, 90208), (7584, 84570), (8457, 75840), (9480, 67656), (11276, 56880), (11376, 56380), (12640, 50742), (14095, 45504), (14220, 45104), (15168, 42285), (16914, 37920), (18960, 33828), (22552, 28440), (22752, 28190), (25280, 25371)]