20181087720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{6737}}^1$

素因数の和:6964

約数の個数: 192

約数和(自身を含む): 67261680720

約数和(自身を除く): 47080593000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 72, 90, 106, 120, 157, 159, 180, 212, 265, 314, 318, 360, 424, 471, 477, 530, 628, 636, 785, 795, 942, 954, 1060, 1256, 1272, 1413, 1570, 1590, 1884, 1908, 2120, 2355, 2385, 2826, 3140, 3180, 3768, 3816, 4710, 4770, 5652, 6280, 6360, 6737, 7065, 8321, 9420, 9540, 11304, 13474, 14130, 16642, 18840, 19080, 20211, 24963, 26948, 28260, 33284, 33685, 40422, 41605, 49926, 53896, 56520, 60633, 66568, 67370, 74889, 80844, 83210, 99852, 101055, 121266, 124815, 134740, 149778, 161688, 166420, 199704, 202110, 242532, 249630, 269480, 299556, 303165, 332840, 357061, 374445, 404220, 485064, 499260, 599112, 606330, 714122, 748890, 808440, 998520, 1057709, 1071183, 1212660, 1428244, 1497780, 1785305, 2115418, 2142366, 2425320, 2856488, 2995560, 3173127, 3213549, 3570610, 4230836, 4284732, 5288545, 5355915, 6346254, 6427098, 7141220, 8461672, 8569464, 9519381, 10577090, 10711830, 12692508, 12854196, 14282440, 15865635, 16067745, 19038762, 21154180, 21423660, 25385016, 25708392, 31731270, 32135490, 38077524, 42308360, 42847320, 47596905, 56058577, 63462540, 64270980, 76155048, 95193810, 112117154, 126925080, 128541960, 168175731, 190387620, 224234308, 280292885, 336351462, 380775240, 448468616, 504527193, 560585770, 672702924, 840878655, 1009054386, 1121171540, 1345405848, 1681757310, 2018108772, 2242343080, 2522635965, 3363514620, 4036217544, 5045271930, 6727029240, 10090543860, 20181087720]

約数ペア:

[(1, 20181087720), (2, 10090543860), (3, 6727029240), (4, 5045271930), (5, 4036217544), (6, 3363514620), (8, 2522635965), (9, 2242343080), (10, 2018108772), (12, 1681757310), (15, 1345405848), (18, 1121171540), (20, 1009054386), (24, 840878655), (30, 672702924), (36, 560585770), (40, 504527193), (45, 448468616), (53, 380775240), (60, 336351462), (72, 280292885), (90, 224234308), (106, 190387620), (120, 168175731), (157, 128541960), (159, 126925080), (180, 112117154), (212, 95193810), (265, 76155048), (314, 64270980), (318, 63462540), (360, 56058577), (424, 47596905), (471, 42847320), (477, 42308360), (530, 38077524), (628, 32135490), (636, 31731270), (785, 25708392), (795, 25385016), (942, 21423660), (954, 21154180), (1060, 19038762), (1256, 16067745), (1272, 15865635), (1413, 14282440), (1570, 12854196), (1590, 12692508), (1884, 10711830), (1908, 10577090), (2120, 9519381), (2355, 8569464), (2385, 8461672), (2826, 7141220), (3140, 6427098), (3180, 6346254), (3768, 5355915), (3816, 5288545), (4710, 4284732), (4770, 4230836), (5652, 3570610), (6280, 3213549), (6360, 3173127), (6737, 2995560), (7065, 2856488), (8321, 2425320), (9420, 2142366), (9540, 2115418), (11304, 1785305), (13474, 1497780), (14130, 1428244), (16642, 1212660), (18840, 1071183), (19080, 1057709), (20211, 998520), (24963, 808440), (26948, 748890), (28260, 714122), (33284, 606330), (33685, 599112), (40422, 499260), (41605, 485064), (49926, 404220), (53896, 374445), (56520, 357061), (60633, 332840), (66568, 303165), (67370, 299556), (74889, 269480), (80844, 249630), (83210, 242532), (99852, 202110), (101055, 199704), (121266, 166420), (124815, 161688), (134740, 149778)]