81527670

素因数分解:

$2^1\times 3^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 192

約数和(自身を含む): 262080000

約数和(自身を除く): 180552330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 49, 57, 63, 70, 90, 95, 98, 105, 114, 126, 133, 139, 147, 171, 190, 210, 245, 266, 278, 285, 294, 315, 342, 343, 399, 417, 441, 490, 570, 630, 665, 686, 695, 735, 798, 834, 855, 882, 931, 973, 1029, 1197, 1251, 1330, 1390, 1470, 1710, 1715, 1862, 1946, 1995, 2058, 2085, 2205, 2394, 2502, 2641, 2793, 2919, 3087, 3430, 3990, 4170, 4410, 4655, 4865, 5145, 5282, 5586, 5838, 5985, 6174, 6255, 6517, 6811, 7923, 8379, 8757, 9310, 9730, 10290, 11970, 12510, 13034, 13205, 13622, 13965, 14595, 15435, 15846, 16758, 17514, 18487, 19551, 20433, 23769, 26410, 27930, 29190, 30870, 32585, 34055, 36974, 39102, 39615, 40866, 41895, 43785, 47538, 47677, 55461, 58653, 61299, 65170, 68110, 79230, 83790, 87570, 92435, 95354, 97755, 102165, 110922, 117306, 118845, 122598, 129409, 143031, 166383, 184870, 195510, 204330, 237690, 238385, 258818, 277305, 286062, 293265, 306495, 332766, 388227, 429093, 476770, 554610, 586530, 612990, 647045, 715155, 776454, 831915, 858186, 905863, 1164681, 1294090, 1430310, 1663830, 1811726, 1941135, 2145465, 2329362, 2717589, 3882270, 4290930, 4529315, 5435178, 5823405, 8152767, 9058630, 11646810, 13587945, 16305534, 27175890, 40763835, 81527670]

約数ペア:

[(1, 81527670), (2, 40763835), (3, 27175890), (5, 16305534), (6, 13587945), (7, 11646810), (9, 9058630), (10, 8152767), (14, 5823405), (15, 5435178), (18, 4529315), (19, 4290930), (21, 3882270), (30, 2717589), (35, 2329362), (38, 2145465), (42, 1941135), (45, 1811726), (49, 1663830), (57, 1430310), (63, 1294090), (70, 1164681), (90, 905863), (95, 858186), (98, 831915), (105, 776454), (114, 715155), (126, 647045), (133, 612990), (139, 586530), (147, 554610), (171, 476770), (190, 429093), (210, 388227), (245, 332766), (266, 306495), (278, 293265), (285, 286062), (294, 277305), (315, 258818), (342, 238385), (343, 237690), (399, 204330), (417, 195510), (441, 184870), (490, 166383), (570, 143031), (630, 129409), (665, 122598), (686, 118845), (695, 117306), (735, 110922), (798, 102165), (834, 97755), (855, 95354), (882, 92435), (931, 87570), (973, 83790), (1029, 79230), (1197, 68110), (1251, 65170), (1330, 61299), (1390, 58653), (1470, 55461), (1710, 47677), (1715, 47538), (1862, 43785), (1946, 41895), (1995, 40866), (2058, 39615), (2085, 39102), (2205, 36974), (2394, 34055), (2502, 32585), (2641, 30870), (2793, 29190), (2919, 27930), (3087, 26410), (3430, 23769), (3990, 20433), (4170, 19551), (4410, 18487), (4655, 17514), (4865, 16758), (5145, 15846), (5282, 15435), (5586, 14595), (5838, 13965), (5985, 13622), (6174, 13205), (6255, 13034), (6517, 12510), (6811, 11970), (7923, 10290), (8379, 9730), (8757, 9310)]