20830680720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{100109}}^1$

素因数の和:100162

約数の個数: 180

約数和(自身を含む): 74314255860

約数和(自身を除く): 53483575140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 289, 306, 340, 360, 408, 510, 578, 612, 680, 720, 765, 816, 867, 1020, 1156, 1224, 1360, 1445, 1530, 1734, 2040, 2312, 2448, 2601, 2890, 3060, 3468, 4080, 4335, 4624, 5202, 5780, 6120, 6936, 8670, 10404, 11560, 12240, 13005, 13872, 17340, 20808, 23120, 26010, 34680, 41616, 52020, 69360, 100109, 104040, 200218, 208080, 300327, 400436, 500545, 600654, 800872, 900981, 1001090, 1201308, 1501635, 1601744, 1701853, 1801962, 2002180, 2402616, 3003270, 3403706, 3603924, 4004360, 4504905, 4805232, 5105559, 6006540, 6807412, 7207848, 8008720, 8509265, 9009810, 10211118, 12013080, 13614824, 14415696, 15316677, 17018530, 18019620, 20422236, 24026160, 25527795, 27229648, 28931501, 30633354, 34037060, 36039240, 40844472, 51055590, 57863002, 61266708, 68074120, 72078480, 76583385, 81688944, 86794503, 102111180, 115726004, 122533416, 136148240, 144657505, 153166770, 173589006, 204222360, 231452008, 245066832, 260383509, 289315010, 306333540, 347178012, 408444720, 433972515, 462904016, 520767018, 578630020, 612667080, 694356024, 867945030, 1041534036, 1157260040, 1225334160, 1301917545, 1388712048, 1735890060, 2083068072, 2314520080, 2603835090, 3471780120, 4166136144, 5207670180, 6943560240, 10415340360, 20830680720]

約数ペア:

[(1, 20830680720), (2, 10415340360), (3, 6943560240), (4, 5207670180), (5, 4166136144), (6, 3471780120), (8, 2603835090), (9, 2314520080), (10, 2083068072), (12, 1735890060), (15, 1388712048), (16, 1301917545), (17, 1225334160), (18, 1157260040), (20, 1041534036), (24, 867945030), (30, 694356024), (34, 612667080), (36, 578630020), (40, 520767018), (45, 462904016), (48, 433972515), (51, 408444720), (60, 347178012), (68, 306333540), (72, 289315010), (80, 260383509), (85, 245066832), (90, 231452008), (102, 204222360), (120, 173589006), (136, 153166770), (144, 144657505), (153, 136148240), (170, 122533416), (180, 115726004), (204, 102111180), (240, 86794503), (255, 81688944), (272, 76583385), (289, 72078480), (306, 68074120), (340, 61266708), (360, 57863002), (408, 51055590), (510, 40844472), (578, 36039240), (612, 34037060), (680, 30633354), (720, 28931501), (765, 27229648), (816, 25527795), (867, 24026160), (1020, 20422236), (1156, 18019620), (1224, 17018530), (1360, 15316677), (1445, 14415696), (1530, 13614824), (1734, 12013080), (2040, 10211118), (2312, 9009810), (2448, 8509265), (2601, 8008720), (2890, 7207848), (3060, 6807412), (3468, 6006540), (4080, 5105559), (4335, 4805232), (4624, 4504905), (5202, 4004360), (5780, 3603924), (6120, 3403706), (6936, 3003270), (8670, 2402616), (10404, 2002180), (11560, 1801962), (12240, 1701853), (13005, 1601744), (13872, 1501635), (17340, 1201308), (20808, 1001090), (23120, 900981), (26010, 800872), (34680, 600654), (41616, 500545), (52020, 400436), (69360, 300327), (100109, 208080), (104040, 200218)]