18805120880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{16453}}^1$

素因数の和:16643

約数の個数: 160

約数和(自身を含む): 54157617024

約数和(自身を除く): 35352496144

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 157, 182, 208, 260, 280, 314, 364, 455, 520, 560, 628, 728, 785, 910, 1040, 1099, 1256, 1456, 1570, 1820, 2041, 2198, 2512, 3140, 3640, 4082, 4396, 5495, 6280, 7280, 8164, 8792, 10205, 10990, 12560, 14287, 16328, 16453, 17584, 20410, 21980, 28574, 32656, 32906, 40820, 43960, 57148, 65812, 71435, 81640, 82265, 87920, 114296, 115171, 131624, 142870, 163280, 164530, 213889, 228592, 230342, 263248, 285740, 329060, 427778, 460684, 571480, 575855, 658120, 855556, 921368, 1069445, 1142960, 1151710, 1316240, 1497223, 1711112, 1842736, 2138890, 2303420, 2583121, 2994446, 3422224, 4277780, 4606840, 5166242, 5988892, 7486115, 8555560, 9213680, 10332484, 11977784, 12915605, 14972230, 17111120, 18081847, 20664968, 23955568, 25831210, 29944460, 33580573, 36163694, 41329936, 51662420, 59888920, 67161146, 72327388, 90409235, 103324840, 119777840, 134322292, 144654776, 167902865, 180818470, 206649680, 235064011, 268644584, 289309552, 335805730, 361636940, 470128022, 537289168, 671611460, 723273880, 940256044, 1175320055, 1343222920, 1446547760, 1880512088, 2350640110, 2686445840, 3761024176, 4701280220, 9402560440, 18805120880]

約数ペア:

[(1, 18805120880), (2, 9402560440), (4, 4701280220), (5, 3761024176), (7, 2686445840), (8, 2350640110), (10, 1880512088), (13, 1446547760), (14, 1343222920), (16, 1175320055), (20, 940256044), (26, 723273880), (28, 671611460), (35, 537289168), (40, 470128022), (52, 361636940), (56, 335805730), (65, 289309552), (70, 268644584), (80, 235064011), (91, 206649680), (104, 180818470), (112, 167902865), (130, 144654776), (140, 134322292), (157, 119777840), (182, 103324840), (208, 90409235), (260, 72327388), (280, 67161146), (314, 59888920), (364, 51662420), (455, 41329936), (520, 36163694), (560, 33580573), (628, 29944460), (728, 25831210), (785, 23955568), (910, 20664968), (1040, 18081847), (1099, 17111120), (1256, 14972230), (1456, 12915605), (1570, 11977784), (1820, 10332484), (2041, 9213680), (2198, 8555560), (2512, 7486115), (3140, 5988892), (3640, 5166242), (4082, 4606840), (4396, 4277780), (5495, 3422224), (6280, 2994446), (7280, 2583121), (8164, 2303420), (8792, 2138890), (10205, 1842736), (10990, 1711112), (12560, 1497223), (14287, 1316240), (16328, 1151710), (16453, 1142960), (17584, 1069445), (20410, 921368), (21980, 855556), (28574, 658120), (32656, 575855), (32906, 571480), (40820, 460684), (43960, 427778), (57148, 329060), (65812, 285740), (71435, 263248), (81640, 230342), (82265, 228592), (87920, 213889), (114296, 164530), (115171, 163280), (131624, 142870)]