81776520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:429

約数の個数: 256

約数和(自身を含む): 323136000

約数和(自身を除く): 241359480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 29, 30, 35, 36, 40, 42, 45, 54, 56, 58, 60, 63, 70, 72, 84, 87, 90, 105, 108, 116, 120, 126, 135, 140, 145, 168, 174, 180, 189, 203, 210, 216, 232, 252, 261, 270, 280, 290, 315, 348, 360, 373, 378, 406, 420, 435, 504, 522, 540, 580, 609, 630, 696, 746, 756, 783, 812, 840, 870, 945, 1015, 1044, 1080, 1119, 1160, 1218, 1260, 1305, 1492, 1512, 1566, 1624, 1740, 1827, 1865, 1890, 2030, 2088, 2238, 2436, 2520, 2610, 2611, 2984, 3045, 3132, 3357, 3480, 3654, 3730, 3780, 3915, 4060, 4476, 4872, 5220, 5222, 5481, 5595, 6090, 6264, 6714, 7308, 7460, 7560, 7830, 7833, 8120, 8952, 9135, 10071, 10440, 10444, 10817, 10962, 11190, 12180, 13055, 13428, 14616, 14920, 15660, 15666, 16785, 18270, 20142, 20888, 21634, 21924, 22380, 23499, 24360, 26110, 26856, 27405, 31320, 31332, 32451, 33570, 36540, 39165, 40284, 43268, 43848, 44760, 46998, 50355, 52220, 54085, 54810, 62664, 64902, 67140, 70497, 73080, 75719, 78330, 80568, 86536, 93996, 97353, 100710, 104440, 108170, 109620, 117495, 129804, 134280, 140994, 151438, 156660, 162255, 187992, 194706, 201420, 216340, 219240, 227157, 234990, 259608, 281988, 292059, 302876, 313320, 324510, 352485, 378595, 389412, 402840, 432680, 454314, 469980, 486765, 563976, 584118, 605752, 649020, 681471, 704970, 757190, 778824, 908628, 939960, 973530, 1135785, 1168236, 1298040, 1362942, 1409940, 1460295, 1514380, 1817256, 1947060, 2044413, 2271570, 2336472, 2725884, 2819880, 2920590, 3028760, 3407355, 3894120, 4088826, 4543140, 5451768, 5841180, 6814710, 8177652, 9086280, 10222065, 11682360, 13629420, 16355304, 20444130, 27258840, 40888260, 81776520]

約数ペア:

[(1, 81776520), (2, 40888260), (3, 27258840), (4, 20444130), (5, 16355304), (6, 13629420), (7, 11682360), (8, 10222065), (9, 9086280), (10, 8177652), (12, 6814710), (14, 5841180), (15, 5451768), (18, 4543140), (20, 4088826), (21, 3894120), (24, 3407355), (27, 3028760), (28, 2920590), (29, 2819880), (30, 2725884), (35, 2336472), (36, 2271570), (40, 2044413), (42, 1947060), (45, 1817256), (54, 1514380), (56, 1460295), (58, 1409940), (60, 1362942), (63, 1298040), (70, 1168236), (72, 1135785), (84, 973530), (87, 939960), (90, 908628), (105, 778824), (108, 757190), (116, 704970), (120, 681471), (126, 649020), (135, 605752), (140, 584118), (145, 563976), (168, 486765), (174, 469980), (180, 454314), (189, 432680), (203, 402840), (210, 389412), (216, 378595), (232, 352485), (252, 324510), (261, 313320), (270, 302876), (280, 292059), (290, 281988), (315, 259608), (348, 234990), (360, 227157), (373, 219240), (378, 216340), (406, 201420), (420, 194706), (435, 187992), (504, 162255), (522, 156660), (540, 151438), (580, 140994), (609, 134280), (630, 129804), (696, 117495), (746, 109620), (756, 108170), (783, 104440), (812, 100710), (840, 97353), (870, 93996), (945, 86536), (1015, 80568), (1044, 78330), (1080, 75719), (1119, 73080), (1160, 70497), (1218, 67140), (1260, 64902), (1305, 62664), (1492, 54810), (1512, 54085), (1566, 52220), (1624, 50355), (1740, 46998), (1827, 44760), (1865, 43848), (1890, 43268), (2030, 40284), (2088, 39165), (2238, 36540), (2436, 33570), (2520, 32451), (2610, 31332), (2611, 31320), (2984, 27405), (3045, 26856), (3132, 26110), (3357, 24360), (3480, 23499), (3654, 22380), (3730, 21924), (3780, 21634), (3915, 20888), (4060, 20142), (4476, 18270), (4872, 16785), (5220, 15666), (5222, 15660), (5481, 14920), (5595, 14616), (6090, 13428), (6264, 13055), (6714, 12180), (7308, 11190), (7460, 10962), (7560, 10817), (7830, 10444), (7833, 10440), (8120, 10071), (8952, 9135)]