28680156

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:201

約数の個数: 120

約数和(自身を含む): 81962496

約数和(自身を除く): 53282340

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 41, 51, 54, 68, 81, 82, 102, 108, 123, 127, 153, 162, 164, 204, 246, 254, 306, 324, 369, 381, 459, 492, 508, 612, 697, 738, 762, 918, 1107, 1143, 1377, 1394, 1476, 1524, 1836, 2091, 2159, 2214, 2286, 2754, 2788, 3321, 3429, 4182, 4318, 4428, 4572, 5207, 5508, 6273, 6477, 6642, 6858, 8364, 8636, 10287, 10414, 12546, 12954, 13284, 13716, 15621, 18819, 19431, 20574, 20828, 25092, 25908, 31242, 37638, 38862, 41148, 46863, 56457, 58293, 62484, 75276, 77724, 88519, 93726, 112914, 116586, 140589, 174879, 177038, 187452, 225828, 233172, 265557, 281178, 349758, 354076, 421767, 531114, 562356, 699516, 796671, 843534, 1062228, 1593342, 1687068, 2390013, 3186684, 4780026, 7170039, 9560052, 14340078, 28680156]

約数ペア:

[(1, 28680156), (2, 14340078), (3, 9560052), (4, 7170039), (6, 4780026), (9, 3186684), (12, 2390013), (17, 1687068), (18, 1593342), (27, 1062228), (34, 843534), (36, 796671), (41, 699516), (51, 562356), (54, 531114), (68, 421767), (81, 354076), (82, 349758), (102, 281178), (108, 265557), (123, 233172), (127, 225828), (153, 187452), (162, 177038), (164, 174879), (204, 140589), (246, 116586), (254, 112914), (306, 93726), (324, 88519), (369, 77724), (381, 75276), (459, 62484), (492, 58293), (508, 56457), (612, 46863), (697, 41148), (738, 38862), (762, 37638), (918, 31242), (1107, 25908), (1143, 25092), (1377, 20828), (1394, 20574), (1476, 19431), (1524, 18819), (1836, 15621), (2091, 13716), (2159, 13284), (2214, 12954), (2286, 12546), (2754, 10414), (2788, 10287), (3321, 8636), (3429, 8364), (4182, 6858), (4318, 6642), (4428, 6477), (4572, 6273), (5207, 5508)]