400538160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:624

約数の個数: 240

約数和(自身を含む): 1484690688

約数和(自身を除く): 1084152528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 103, 110, 120, 132, 144, 165, 176, 180, 198, 206, 220, 240, 264, 309, 330, 360, 396, 412, 440, 491, 495, 515, 528, 618, 660, 720, 792, 824, 880, 927, 982, 990, 1030, 1133, 1236, 1320, 1473, 1545, 1584, 1648, 1854, 1964, 1980, 2060, 2266, 2455, 2472, 2640, 2946, 3090, 3399, 3708, 3928, 3960, 4120, 4419, 4532, 4635, 4910, 4944, 5401, 5665, 5892, 6180, 6798, 7365, 7416, 7856, 7920, 8240, 8838, 9064, 9270, 9820, 10197, 10802, 11330, 11784, 12360, 13596, 14730, 14832, 16203, 16995, 17676, 18128, 18540, 19640, 20394, 21604, 22095, 22660, 23568, 24720, 27005, 27192, 29460, 32406, 33990, 35352, 37080, 39280, 40788, 43208, 44190, 45320, 48609, 50573, 50985, 54010, 54384, 58920, 64812, 67980, 70704, 74160, 81015, 81576, 86416, 88380, 90640, 97218, 101146, 101970, 108020, 117840, 129624, 135960, 151719, 162030, 163152, 176760, 194436, 202292, 203940, 216040, 243045, 252865, 259248, 271920, 303438, 324060, 353520, 388872, 404584, 407880, 432080, 455157, 486090, 505730, 556303, 606876, 648120, 758595, 777744, 809168, 815760, 910314, 972180, 1011460, 1112606, 1213752, 1296240, 1517190, 1668909, 1820628, 1944360, 2022920, 2225212, 2275785, 2427504, 2781515, 3034380, 3337818, 3641256, 3888720, 4045840, 4450424, 4551570, 5006727, 5563030, 6068760, 6675636, 7282512, 8344545, 8900848, 9103140, 10013454, 11126060, 12137520, 13351272, 16689090, 18206280, 20026908, 22252120, 25033635, 26702544, 33378180, 36412560, 40053816, 44504240, 50067270, 66756360, 80107632, 100134540, 133512720, 200269080, 400538160]

約数ペア:

[(1, 400538160), (2, 200269080), (3, 133512720), (4, 100134540), (5, 80107632), (6, 66756360), (8, 50067270), (9, 44504240), (10, 40053816), (11, 36412560), (12, 33378180), (15, 26702544), (16, 25033635), (18, 22252120), (20, 20026908), (22, 18206280), (24, 16689090), (30, 13351272), (33, 12137520), (36, 11126060), (40, 10013454), (44, 9103140), (45, 8900848), (48, 8344545), (55, 7282512), (60, 6675636), (66, 6068760), (72, 5563030), (80, 5006727), (88, 4551570), (90, 4450424), (99, 4045840), (103, 3888720), (110, 3641256), (120, 3337818), (132, 3034380), (144, 2781515), (165, 2427504), (176, 2275785), (180, 2225212), (198, 2022920), (206, 1944360), (220, 1820628), (240, 1668909), (264, 1517190), (309, 1296240), (330, 1213752), (360, 1112606), (396, 1011460), (412, 972180), (440, 910314), (491, 815760), (495, 809168), (515, 777744), (528, 758595), (618, 648120), (660, 606876), (720, 556303), (792, 505730), (824, 486090), (880, 455157), (927, 432080), (982, 407880), (990, 404584), (1030, 388872), (1133, 353520), (1236, 324060), (1320, 303438), (1473, 271920), (1545, 259248), (1584, 252865), (1648, 243045), (1854, 216040), (1964, 203940), (1980, 202292), (2060, 194436), (2266, 176760), (2455, 163152), (2472, 162030), (2640, 151719), (2946, 135960), (3090, 129624), (3399, 117840), (3708, 108020), (3928, 101970), (3960, 101146), (4120, 97218), (4419, 90640), (4532, 88380), (4635, 86416), (4910, 81576), (4944, 81015), (5401, 74160), (5665, 70704), (5892, 67980), (6180, 64812), (6798, 58920), (7365, 54384), (7416, 54010), (7856, 50985), (7920, 50573), (8240, 48609), (8838, 45320), (9064, 44190), (9270, 43208), (9820, 40788), (10197, 39280), (10802, 37080), (11330, 35352), (11784, 33990), (12360, 32406), (13596, 29460), (14730, 27192), (14832, 27005), (16203, 24720), (16995, 23568), (17676, 22660), (18128, 22095), (18540, 21604), (19640, 20394)]