639557640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{10037}}^1$

素因数の和:10116

約数の個数: 128

約数和(自身を含む): 2168208000

約数和(自身を除く): 1528650360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 59, 60, 72, 90, 108, 118, 120, 135, 177, 180, 216, 236, 270, 295, 354, 360, 472, 531, 540, 590, 708, 885, 1062, 1080, 1180, 1416, 1593, 1770, 2124, 2360, 2655, 3186, 3540, 4248, 5310, 6372, 7080, 7965, 10037, 10620, 12744, 15930, 20074, 21240, 30111, 31860, 40148, 50185, 60222, 63720, 80296, 90333, 100370, 120444, 150555, 180666, 200740, 240888, 270999, 301110, 361332, 401480, 451665, 541998, 592183, 602220, 722664, 903330, 1083996, 1184366, 1204440, 1354995, 1776549, 1806660, 2167992, 2368732, 2709990, 2960915, 3553098, 3613320, 4737464, 5329647, 5419980, 5921830, 7106196, 8882745, 10659294, 10839960, 11843660, 14212392, 15988941, 17765490, 21318588, 23687320, 26648235, 31977882, 35530980, 42637176, 53296470, 63955764, 71061960, 79944705, 106592940, 127911528, 159889410, 213185880, 319778820, 639557640]

約数ペア:

[(1, 639557640), (2, 319778820), (3, 213185880), (4, 159889410), (5, 127911528), (6, 106592940), (8, 79944705), (9, 71061960), (10, 63955764), (12, 53296470), (15, 42637176), (18, 35530980), (20, 31977882), (24, 26648235), (27, 23687320), (30, 21318588), (36, 17765490), (40, 15988941), (45, 14212392), (54, 11843660), (59, 10839960), (60, 10659294), (72, 8882745), (90, 7106196), (108, 5921830), (118, 5419980), (120, 5329647), (135, 4737464), (177, 3613320), (180, 3553098), (216, 2960915), (236, 2709990), (270, 2368732), (295, 2167992), (354, 1806660), (360, 1776549), (472, 1354995), (531, 1204440), (540, 1184366), (590, 1083996), (708, 903330), (885, 722664), (1062, 602220), (1080, 592183), (1180, 541998), (1416, 451665), (1593, 401480), (1770, 361332), (2124, 301110), (2360, 270999), (2655, 240888), (3186, 200740), (3540, 180666), (4248, 150555), (5310, 120444), (6372, 100370), (7080, 90333), (7965, 80296), (10037, 63720), (10620, 60222), (12744, 50185), (15930, 40148), (20074, 31860), (21240, 30111)]