161798490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:1977

約数の個数: 144

約数和(自身を含む): 515380320

約数和(自身を除く): 353581830

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, 147, 171, 190, 210, 245, 266, 285, 294, 315, 342, 399, 441, 490, 570, 630, 665, 735, 798, 855, 882, 931, 1197, 1330, 1470, 1710, 1862, 1931, 1995, 2205, 2394, 2793, 3862, 3990, 4410, 4655, 5586, 5793, 5985, 8379, 9310, 9655, 11586, 11970, 13517, 13965, 16758, 17379, 19310, 27034, 27930, 28965, 34758, 36689, 40551, 41895, 57930, 67585, 73378, 81102, 83790, 86895, 94619, 110067, 121653, 135170, 173790, 183445, 189238, 202755, 220134, 243306, 256823, 283857, 330201, 366890, 405510, 473095, 513646, 550335, 567714, 608265, 660402, 770469, 851571, 946190, 1100670, 1216530, 1284115, 1419285, 1540938, 1651005, 1703142, 1797761, 2311407, 2568230, 2838570, 3302010, 3595522, 3852345, 4257855, 4622814, 5393283, 7704690, 8515710, 8988805, 10786566, 11557035, 16179849, 17977610, 23114070, 26966415, 32359698, 53932830, 80899245, 161798490]

約数ペア:

[(1, 161798490), (2, 80899245), (3, 53932830), (5, 32359698), (6, 26966415), (7, 23114070), (9, 17977610), (10, 16179849), (14, 11557035), (15, 10786566), (18, 8988805), (19, 8515710), (21, 7704690), (30, 5393283), (35, 4622814), (38, 4257855), (42, 3852345), (45, 3595522), (49, 3302010), (57, 2838570), (63, 2568230), (70, 2311407), (90, 1797761), (95, 1703142), (98, 1651005), (105, 1540938), (114, 1419285), (126, 1284115), (133, 1216530), (147, 1100670), (171, 946190), (190, 851571), (210, 770469), (245, 660402), (266, 608265), (285, 567714), (294, 550335), (315, 513646), (342, 473095), (399, 405510), (441, 366890), (490, 330201), (570, 283857), (630, 256823), (665, 243306), (735, 220134), (798, 202755), (855, 189238), (882, 183445), (931, 173790), (1197, 135170), (1330, 121653), (1470, 110067), (1710, 94619), (1862, 86895), (1931, 83790), (1995, 81102), (2205, 73378), (2394, 67585), (2793, 57930), (3862, 41895), (3990, 40551), (4410, 36689), (4655, 34758), (5586, 28965), (5793, 27930), (5985, 27034), (8379, 19310), (9310, 17379), (9655, 16758), (11586, 13965), (11970, 13517)]