161720286

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 192

約数和(自身を含む): 455051520

約数和(自身を除く): 293331234

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 19, 21, 26, 34, 38, 39, 42, 49, 51, 57, 78, 91, 98, 102, 114, 119, 131, 133, 147, 182, 221, 238, 247, 262, 266, 273, 294, 323, 357, 393, 399, 442, 494, 546, 637, 646, 663, 714, 741, 786, 798, 833, 917, 931, 969, 1274, 1326, 1482, 1547, 1666, 1703, 1729, 1834, 1862, 1911, 1938, 2227, 2261, 2489, 2499, 2751, 2793, 3094, 3406, 3458, 3822, 4199, 4454, 4522, 4641, 4978, 4998, 5109, 5187, 5502, 5586, 6419, 6681, 6783, 7467, 8398, 9282, 10218, 10374, 10829, 11921, 12103, 12597, 12838, 13362, 13566, 14934, 15589, 15827, 17423, 19257, 21658, 23842, 24206, 25194, 28951, 29393, 31178, 31654, 32357, 32487, 34846, 35763, 36309, 38514, 42313, 46767, 47481, 52269, 57902, 58786, 64714, 64974, 71526, 72618, 83447, 84626, 86853, 88179, 93534, 94962, 97071, 104538, 109123, 121961, 126939, 166894, 173706, 176358, 194142, 202657, 205751, 218246, 226499, 243922, 250341, 253878, 296191, 327369, 365883, 405314, 411502, 452998, 500682, 550069, 592382, 607971, 617253, 654738, 679497, 731766, 888573, 1100138, 1215942, 1234506, 1358994, 1418599, 1585493, 1650207, 1777146, 2073337, 2837198, 3170986, 3300414, 3850483, 4146674, 4255797, 4756479, 6220011, 7700966, 8511594, 9512958, 11551449, 12440022, 23102898, 26953381, 53906762, 80860143, 161720286]

約数ペア:

[(1, 161720286), (2, 80860143), (3, 53906762), (6, 26953381), (7, 23102898), (13, 12440022), (14, 11551449), (17, 9512958), (19, 8511594), (21, 7700966), (26, 6220011), (34, 4756479), (38, 4255797), (39, 4146674), (42, 3850483), (49, 3300414), (51, 3170986), (57, 2837198), (78, 2073337), (91, 1777146), (98, 1650207), (102, 1585493), (114, 1418599), (119, 1358994), (131, 1234506), (133, 1215942), (147, 1100138), (182, 888573), (221, 731766), (238, 679497), (247, 654738), (262, 617253), (266, 607971), (273, 592382), (294, 550069), (323, 500682), (357, 452998), (393, 411502), (399, 405314), (442, 365883), (494, 327369), (546, 296191), (637, 253878), (646, 250341), (663, 243922), (714, 226499), (741, 218246), (786, 205751), (798, 202657), (833, 194142), (917, 176358), (931, 173706), (969, 166894), (1274, 126939), (1326, 121961), (1482, 109123), (1547, 104538), (1666, 97071), (1703, 94962), (1729, 93534), (1834, 88179), (1862, 86853), (1911, 84626), (1938, 83447), (2227, 72618), (2261, 71526), (2489, 64974), (2499, 64714), (2751, 58786), (2793, 57902), (3094, 52269), (3406, 47481), (3458, 46767), (3822, 42313), (4199, 38514), (4454, 36309), (4522, 35763), (4641, 34846), (4978, 32487), (4998, 32357), (5109, 31654), (5187, 31178), (5502, 29393), (5586, 28951), (6419, 25194), (6681, 24206), (6783, 23842), (7467, 21658), (8398, 19257), (9282, 17423), (10218, 15827), (10374, 15589), (10829, 14934), (11921, 13566), (12103, 13362), (12597, 12838)]