20171298320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{977}}^1$

素因数の和:1090

約数の個数: 240

約数和(自身を含む): 53611925760

約数和(自身を除く): 33440627440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 47, 68, 76, 80, 85, 94, 95, 136, 152, 170, 188, 190, 235, 272, 289, 304, 323, 340, 376, 380, 470, 578, 646, 680, 752, 760, 799, 893, 940, 977, 1156, 1292, 1360, 1445, 1520, 1598, 1615, 1786, 1880, 1954, 2312, 2584, 2890, 3196, 3230, 3572, 3760, 3908, 3995, 4465, 4624, 4885, 5168, 5491, 5780, 6392, 6460, 7144, 7816, 7990, 8930, 9770, 10982, 11560, 12784, 12920, 13583, 14288, 15181, 15632, 15980, 16609, 17860, 18563, 19540, 21964, 23120, 25840, 27166, 27455, 30362, 31960, 33218, 35720, 37126, 39080, 43928, 45919, 54332, 54910, 60724, 63920, 66436, 67915, 71440, 74252, 75905, 78160, 83045, 87856, 91838, 92815, 108664, 109820, 121448, 132872, 135830, 148504, 151810, 166090, 183676, 185630, 217328, 219640, 229595, 242896, 258077, 265744, 271660, 282353, 297008, 303620, 315571, 332180, 367352, 371260, 439280, 459190, 516154, 543320, 564706, 607240, 631142, 664360, 734704, 742520, 780623, 872461, 918380, 1032308, 1086640, 1129412, 1214480, 1262284, 1290385, 1328720, 1411765, 1485040, 1561246, 1577855, 1744922, 1836760, 2064616, 2258824, 2524568, 2580770, 2823530, 3122492, 3155710, 3489844, 3673520, 3903115, 4129232, 4362305, 4517648, 5049136, 5161540, 5364707, 5647060, 6244984, 6311420, 6979688, 7806230, 8724610, 10323080, 10729414, 11294120, 12489968, 12622840, 13270591, 13959376, 14831837, 15612460, 17449220, 20646160, 21458828, 22588240, 25245680, 26541182, 26823535, 29663674, 31224920, 34898440, 42917656, 53082364, 53647070, 59327348, 62449840, 66352955, 69796880, 74159185, 85835312, 106164728, 107294140, 118654696, 132705910, 148318370, 212329456, 214588280, 237309392, 252141229, 265411820, 296636740, 429176560, 504282458, 530823640, 593273480, 1008564916, 1061647280, 1186546960, 1260706145, 2017129832, 2521412290, 4034259664, 5042824580, 10085649160, 20171298320]

約数ペア:

[(1, 20171298320), (2, 10085649160), (4, 5042824580), (5, 4034259664), (8, 2521412290), (10, 2017129832), (16, 1260706145), (17, 1186546960), (19, 1061647280), (20, 1008564916), (34, 593273480), (38, 530823640), (40, 504282458), (47, 429176560), (68, 296636740), (76, 265411820), (80, 252141229), (85, 237309392), (94, 214588280), (95, 212329456), (136, 148318370), (152, 132705910), (170, 118654696), (188, 107294140), (190, 106164728), (235, 85835312), (272, 74159185), (289, 69796880), (304, 66352955), (323, 62449840), (340, 59327348), (376, 53647070), (380, 53082364), (470, 42917656), (578, 34898440), (646, 31224920), (680, 29663674), (752, 26823535), (760, 26541182), (799, 25245680), (893, 22588240), (940, 21458828), (977, 20646160), (1156, 17449220), (1292, 15612460), (1360, 14831837), (1445, 13959376), (1520, 13270591), (1598, 12622840), (1615, 12489968), (1786, 11294120), (1880, 10729414), (1954, 10323080), (2312, 8724610), (2584, 7806230), (2890, 6979688), (3196, 6311420), (3230, 6244984), (3572, 5647060), (3760, 5364707), (3908, 5161540), (3995, 5049136), (4465, 4517648), (4624, 4362305), (4885, 4129232), (5168, 3903115), (5491, 3673520), (5780, 3489844), (6392, 3155710), (6460, 3122492), (7144, 2823530), (7816, 2580770), (7990, 2524568), (8930, 2258824), (9770, 2064616), (10982, 1836760), (11560, 1744922), (12784, 1577855), (12920, 1561246), (13583, 1485040), (14288, 1411765), (15181, 1328720), (15632, 1290385), (15980, 1262284), (16609, 1214480), (17860, 1129412), (18563, 1086640), (19540, 1032308), (21964, 918380), (23120, 872461), (25840, 780623), (27166, 742520), (27455, 734704), (30362, 664360), (31960, 631142), (33218, 607240), (35720, 564706), (37126, 543320), (39080, 516154), (43928, 459190), (45919, 439280), (54332, 371260), (54910, 367352), (60724, 332180), (63920, 315571), (66436, 303620), (67915, 297008), (71440, 282353), (74252, 271660), (75905, 265744), (78160, 258077), (83045, 242896), (87856, 229595), (91838, 219640), (92815, 217328), (108664, 185630), (109820, 183676), (121448, 166090), (132872, 151810), (135830, 148504)]