161264628

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 192

約数和(自身を含む): 512512000

約数和(自身を除く): 351247372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 103, 108, 109, 114, 126, 133, 171, 189, 206, 218, 228, 252, 266, 309, 327, 342, 378, 399, 412, 436, 513, 532, 618, 654, 684, 721, 756, 763, 798, 927, 981, 1026, 1197, 1236, 1308, 1442, 1526, 1596, 1854, 1957, 1962, 2052, 2071, 2163, 2289, 2394, 2781, 2884, 2943, 3052, 3591, 3708, 3914, 3924, 4142, 4326, 4578, 4788, 5562, 5871, 5886, 6213, 6489, 6867, 7182, 7828, 8284, 8652, 9156, 11124, 11227, 11742, 11772, 12426, 12978, 13699, 13734, 14364, 14497, 17613, 18639, 19467, 20601, 22454, 23484, 24852, 25956, 27398, 27468, 28994, 33681, 35226, 37278, 38934, 41097, 41202, 43491, 44908, 52839, 54796, 55917, 57988, 67362, 70452, 74556, 77868, 78589, 82194, 82404, 86982, 101043, 105678, 111834, 123291, 130473, 134724, 157178, 164388, 173964, 202086, 211356, 213313, 223668, 235767, 246582, 260946, 303129, 314356, 369873, 391419, 404172, 426626, 471534, 493164, 521892, 606258, 639939, 707301, 739746, 782838, 853252, 943068, 1212516, 1279878, 1414602, 1479492, 1493191, 1565676, 1919817, 2121903, 2559756, 2829204, 2986382, 3839634, 4243806, 4479573, 5759451, 5972764, 7679268, 8487612, 8959146, 11518902, 13438719, 17918292, 23037804, 26877438, 40316157, 53754876, 80632314, 161264628]

約数ペア:

[(1, 161264628), (2, 80632314), (3, 53754876), (4, 40316157), (6, 26877438), (7, 23037804), (9, 17918292), (12, 13438719), (14, 11518902), (18, 8959146), (19, 8487612), (21, 7679268), (27, 5972764), (28, 5759451), (36, 4479573), (38, 4243806), (42, 3839634), (54, 2986382), (57, 2829204), (63, 2559756), (76, 2121903), (84, 1919817), (103, 1565676), (108, 1493191), (109, 1479492), (114, 1414602), (126, 1279878), (133, 1212516), (171, 943068), (189, 853252), (206, 782838), (218, 739746), (228, 707301), (252, 639939), (266, 606258), (309, 521892), (327, 493164), (342, 471534), (378, 426626), (399, 404172), (412, 391419), (436, 369873), (513, 314356), (532, 303129), (618, 260946), (654, 246582), (684, 235767), (721, 223668), (756, 213313), (763, 211356), (798, 202086), (927, 173964), (981, 164388), (1026, 157178), (1197, 134724), (1236, 130473), (1308, 123291), (1442, 111834), (1526, 105678), (1596, 101043), (1854, 86982), (1957, 82404), (1962, 82194), (2052, 78589), (2071, 77868), (2163, 74556), (2289, 70452), (2394, 67362), (2781, 57988), (2884, 55917), (2943, 54796), (3052, 52839), (3591, 44908), (3708, 43491), (3914, 41202), (3924, 41097), (4142, 38934), (4326, 37278), (4578, 35226), (4788, 33681), (5562, 28994), (5871, 27468), (5886, 27398), (6213, 25956), (6489, 24852), (6867, 23484), (7182, 22454), (7828, 20601), (8284, 19467), (8652, 18639), (9156, 17613), (11124, 14497), (11227, 14364), (11742, 13734), (11772, 13699), (12426, 12978)]