27778380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^2$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 95182080

約数和(自身を除く): 67403700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 59, 60, 70, 76, 84, 95, 105, 114, 118, 133, 140, 177, 190, 210, 228, 236, 266, 285, 295, 354, 380, 399, 413, 420, 532, 570, 590, 665, 708, 798, 826, 885, 1121, 1140, 1180, 1239, 1330, 1596, 1652, 1770, 1995, 2065, 2242, 2478, 2660, 3363, 3481, 3540, 3990, 4130, 4484, 4956, 5605, 6195, 6726, 6962, 7847, 7980, 8260, 10443, 11210, 12390, 13452, 13924, 15694, 16815, 17405, 20886, 22420, 23541, 24367, 24780, 31388, 33630, 34810, 39235, 41772, 47082, 48734, 52215, 66139, 67260, 69620, 73101, 78470, 94164, 97468, 104430, 117705, 121835, 132278, 146202, 156940, 198417, 208860, 235410, 243670, 264556, 292404, 330695, 365505, 396834, 462973, 470820, 487340, 661390, 731010, 793668, 925946, 992085, 1322780, 1388919, 1462020, 1851892, 1984170, 2314865, 2777838, 3968340, 4629730, 5555676, 6944595, 9259460, 13889190, 27778380]

約数ペア:

[(1, 27778380), (2, 13889190), (3, 9259460), (4, 6944595), (5, 5555676), (6, 4629730), (7, 3968340), (10, 2777838), (12, 2314865), (14, 1984170), (15, 1851892), (19, 1462020), (20, 1388919), (21, 1322780), (28, 992085), (30, 925946), (35, 793668), (38, 731010), (42, 661390), (57, 487340), (59, 470820), (60, 462973), (70, 396834), (76, 365505), (84, 330695), (95, 292404), (105, 264556), (114, 243670), (118, 235410), (133, 208860), (140, 198417), (177, 156940), (190, 146202), (210, 132278), (228, 121835), (236, 117705), (266, 104430), (285, 97468), (295, 94164), (354, 78470), (380, 73101), (399, 69620), (413, 67260), (420, 66139), (532, 52215), (570, 48734), (590, 47082), (665, 41772), (708, 39235), (798, 34810), (826, 33630), (885, 31388), (1121, 24780), (1140, 24367), (1180, 23541), (1239, 22420), (1330, 20886), (1596, 17405), (1652, 16815), (1770, 15694), (1995, 13924), (2065, 13452), (2242, 12390), (2478, 11210), (2660, 10443), (3363, 8260), (3481, 7980), (3540, 7847), (3990, 6962), (4130, 6726), (4484, 6195), (4956, 5605)]