31156020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:414

約数の個数: 144

約数和(自身を含む): 109724160

約数和(自身を除く): 78568140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 313, 315, 316, 395, 420, 474, 553, 626, 630, 711, 790, 939, 948, 1106, 1185, 1252, 1260, 1422, 1565, 1580, 1659, 1878, 2191, 2212, 2370, 2765, 2817, 2844, 3130, 3318, 3555, 3756, 4382, 4695, 4740, 4977, 5530, 5634, 6260, 6573, 6636, 7110, 8295, 8764, 9390, 9954, 10955, 11060, 11268, 13146, 14085, 14220, 16590, 18780, 19719, 19908, 21910, 24727, 24885, 26292, 28170, 32865, 33180, 39438, 43820, 49454, 49770, 56340, 65730, 74181, 78876, 98595, 98908, 99540, 123635, 131460, 148362, 173089, 197190, 222543, 247270, 296724, 346178, 370905, 394380, 445086, 494540, 519267, 692356, 741810, 865445, 890172, 1038534, 1112715, 1483620, 1557801, 1730890, 2077068, 2225430, 2596335, 3115602, 3461780, 4450860, 5192670, 6231204, 7789005, 10385340, 15578010, 31156020]

約数ペア:

[(1, 31156020), (2, 15578010), (3, 10385340), (4, 7789005), (5, 6231204), (6, 5192670), (7, 4450860), (9, 3461780), (10, 3115602), (12, 2596335), (14, 2225430), (15, 2077068), (18, 1730890), (20, 1557801), (21, 1483620), (28, 1112715), (30, 1038534), (35, 890172), (36, 865445), (42, 741810), (45, 692356), (60, 519267), (63, 494540), (70, 445086), (79, 394380), (84, 370905), (90, 346178), (105, 296724), (126, 247270), (140, 222543), (158, 197190), (180, 173089), (210, 148362), (237, 131460), (252, 123635), (313, 99540), (315, 98908), (316, 98595), (395, 78876), (420, 74181), (474, 65730), (553, 56340), (626, 49770), (630, 49454), (711, 43820), (790, 39438), (939, 33180), (948, 32865), (1106, 28170), (1185, 26292), (1252, 24885), (1260, 24727), (1422, 21910), (1565, 19908), (1580, 19719), (1659, 18780), (1878, 16590), (2191, 14220), (2212, 14085), (2370, 13146), (2765, 11268), (2817, 11060), (2844, 10955), (3130, 9954), (3318, 9390), (3555, 8764), (3756, 8295), (4382, 7110), (4695, 6636), (4740, 6573), (4977, 6260), (5530, 5634)]