254808240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1$

素因数の和:244

約数の個数: 240

約数和(自身を含む): 887809248

約数和(自身を除く): 633001008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 173, 190, 204, 228, 240, 255, 272, 285, 304, 323, 340, 346, 361, 380, 408, 456, 510, 519, 570, 646, 680, 692, 722, 760, 816, 865, 912, 969, 1020, 1038, 1083, 1140, 1292, 1360, 1384, 1444, 1520, 1615, 1730, 1805, 1938, 2040, 2076, 2166, 2280, 2584, 2595, 2768, 2888, 2941, 3230, 3287, 3460, 3610, 3876, 4080, 4152, 4332, 4560, 4845, 5168, 5190, 5415, 5776, 5882, 6137, 6460, 6574, 6920, 7220, 7752, 8304, 8664, 8823, 9690, 9861, 10380, 10830, 11764, 12274, 12920, 13148, 13840, 14440, 14705, 15504, 16435, 17328, 17646, 18411, 19380, 19722, 20760, 21660, 23528, 24548, 25840, 26296, 28880, 29410, 30685, 32870, 35292, 36822, 38760, 39444, 41520, 43320, 44115, 47056, 49096, 49305, 52592, 55879, 58820, 61370, 62453, 65740, 70584, 73644, 77520, 78888, 86640, 88230, 92055, 98192, 98610, 111758, 117640, 122740, 124906, 131480, 141168, 147288, 157776, 167637, 176460, 184110, 187359, 197220, 223516, 235280, 245480, 249812, 262960, 279395, 294576, 312265, 335274, 352920, 368220, 374718, 394440, 447032, 490960, 499624, 558790, 624530, 670548, 705840, 736440, 749436, 788880, 838185, 894064, 936795, 999248, 1061701, 1117580, 1249060, 1341096, 1472880, 1498872, 1676370, 1873590, 2123402, 2235160, 2498120, 2682192, 2997744, 3185103, 3352740, 3747180, 4246804, 4470320, 4996240, 5308505, 6370206, 6705480, 7494360, 8493608, 10617010, 12740412, 13410960, 14988720, 15925515, 16987216, 21234020, 25480824, 31851030, 42468040, 50961648, 63702060, 84936080, 127404120, 254808240]

約数ペア:

[(1, 254808240), (2, 127404120), (3, 84936080), (4, 63702060), (5, 50961648), (6, 42468040), (8, 31851030), (10, 25480824), (12, 21234020), (15, 16987216), (16, 15925515), (17, 14988720), (19, 13410960), (20, 12740412), (24, 10617010), (30, 8493608), (34, 7494360), (38, 6705480), (40, 6370206), (48, 5308505), (51, 4996240), (57, 4470320), (60, 4246804), (68, 3747180), (76, 3352740), (80, 3185103), (85, 2997744), (95, 2682192), (102, 2498120), (114, 2235160), (120, 2123402), (136, 1873590), (152, 1676370), (170, 1498872), (173, 1472880), (190, 1341096), (204, 1249060), (228, 1117580), (240, 1061701), (255, 999248), (272, 936795), (285, 894064), (304, 838185), (323, 788880), (340, 749436), (346, 736440), (361, 705840), (380, 670548), (408, 624530), (456, 558790), (510, 499624), (519, 490960), (570, 447032), (646, 394440), (680, 374718), (692, 368220), (722, 352920), (760, 335274), (816, 312265), (865, 294576), (912, 279395), (969, 262960), (1020, 249812), (1038, 245480), (1083, 235280), (1140, 223516), (1292, 197220), (1360, 187359), (1384, 184110), (1444, 176460), (1520, 167637), (1615, 157776), (1730, 147288), (1805, 141168), (1938, 131480), (2040, 124906), (2076, 122740), (2166, 117640), (2280, 111758), (2584, 98610), (2595, 98192), (2768, 92055), (2888, 88230), (2941, 86640), (3230, 78888), (3287, 77520), (3460, 73644), (3610, 70584), (3876, 65740), (4080, 62453), (4152, 61370), (4332, 58820), (4560, 55879), (4845, 52592), (5168, 49305), (5190, 49096), (5415, 47056), (5776, 44115), (5882, 43320), (6137, 41520), (6460, 39444), (6574, 38760), (6920, 36822), (7220, 35292), (7752, 32870), (8304, 30685), (8664, 29410), (8823, 28880), (9690, 26296), (9861, 25840), (10380, 24548), (10830, 23528), (11764, 21660), (12274, 20760), (12920, 19722), (13148, 19380), (13840, 18411), (14440, 17646), (14705, 17328), (15504, 16435)]