1891890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:54

約数の個数: 192

約数和(自身を含む): 6894720

約数和(自身を除く): 5002830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 18, 21, 22, 26, 27, 30, 33, 35, 39, 42, 45, 49, 54, 55, 63, 65, 66, 70, 77, 78, 90, 91, 98, 99, 105, 110, 117, 126, 130, 135, 143, 147, 154, 165, 182, 189, 195, 198, 210, 231, 234, 245, 270, 273, 286, 294, 297, 315, 330, 351, 378, 385, 390, 429, 441, 455, 462, 490, 495, 539, 546, 585, 594, 630, 637, 693, 702, 715, 735, 770, 819, 858, 882, 910, 945, 990, 1001, 1078, 1155, 1170, 1274, 1287, 1323, 1365, 1386, 1430, 1470, 1485, 1617, 1638, 1755, 1890, 1911, 2002, 2079, 2145, 2205, 2310, 2457, 2574, 2646, 2695, 2730, 2970, 3003, 3185, 3234, 3465, 3510, 3822, 3861, 4095, 4158, 4290, 4410, 4851, 4914, 5005, 5390, 5733, 6006, 6370, 6435, 6615, 6930, 7007, 7722, 8085, 8190, 9009, 9555, 9702, 10010, 10395, 11466, 12285, 12870, 13230, 14014, 14553, 15015, 16170, 17199, 18018, 19110, 19305, 20790, 21021, 24255, 24570, 27027, 28665, 29106, 30030, 34398, 35035, 38610, 42042, 45045, 48510, 54054, 57330, 63063, 70070, 72765, 85995, 90090, 105105, 126126, 135135, 145530, 171990, 189189, 210210, 270270, 315315, 378378, 630630, 945945, 1891890]

約数ペア:

[(1, 1891890), (2, 945945), (3, 630630), (5, 378378), (6, 315315), (7, 270270), (9, 210210), (10, 189189), (11, 171990), (13, 145530), (14, 135135), (15, 126126), (18, 105105), (21, 90090), (22, 85995), (26, 72765), (27, 70070), (30, 63063), (33, 57330), (35, 54054), (39, 48510), (42, 45045), (45, 42042), (49, 38610), (54, 35035), (55, 34398), (63, 30030), (65, 29106), (66, 28665), (70, 27027), (77, 24570), (78, 24255), (90, 21021), (91, 20790), (98, 19305), (99, 19110), (105, 18018), (110, 17199), (117, 16170), (126, 15015), (130, 14553), (135, 14014), (143, 13230), (147, 12870), (154, 12285), (165, 11466), (182, 10395), (189, 10010), (195, 9702), (198, 9555), (210, 9009), (231, 8190), (234, 8085), (245, 7722), (270, 7007), (273, 6930), (286, 6615), (294, 6435), (297, 6370), (315, 6006), (330, 5733), (351, 5390), (378, 5005), (385, 4914), (390, 4851), (429, 4410), (441, 4290), (455, 4158), (462, 4095), (490, 3861), (495, 3822), (539, 3510), (546, 3465), (585, 3234), (594, 3185), (630, 3003), (637, 2970), (693, 2730), (702, 2695), (715, 2646), (735, 2574), (770, 2457), (819, 2310), (858, 2205), (882, 2145), (910, 2079), (945, 2002), (990, 1911), (1001, 1890), (1078, 1755), (1155, 1638), (1170, 1617), (1274, 1485), (1287, 1470), (1323, 1430), (1365, 1386)]