204654240

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:364

約数の個数: 288

約数和(自身を含む): 811399680

約数和(自身を除く): 606745440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 79, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 158, 160, 168, 180, 210, 224, 237, 240, 252, 257, 280, 288, 315, 316, 336, 360, 395, 420, 474, 480, 504, 514, 553, 560, 630, 632, 672, 711, 720, 771, 790, 840, 948, 1008, 1028, 1106, 1120, 1185, 1260, 1264, 1285, 1422, 1440, 1542, 1580, 1659, 1680, 1799, 1896, 2016, 2056, 2212, 2313, 2370, 2520, 2528, 2570, 2765, 2844, 3084, 3160, 3318, 3360, 3555, 3598, 3792, 3855, 4112, 4424, 4626, 4740, 4977, 5040, 5140, 5397, 5530, 5688, 6168, 6320, 6636, 7110, 7196, 7584, 7710, 8224, 8295, 8848, 8995, 9252, 9480, 9954, 10080, 10280, 10794, 11060, 11376, 11565, 12336, 12640, 13272, 14220, 14392, 15420, 16191, 16590, 17696, 17990, 18504, 18960, 19908, 20303, 20560, 21588, 22120, 22752, 23130, 24672, 24885, 26544, 26985, 28440, 28784, 30840, 32382, 33180, 35980, 37008, 37920, 39816, 40606, 41120, 43176, 44240, 46260, 49770, 53088, 53970, 56880, 57568, 60909, 61680, 64764, 66360, 71960, 74016, 79632, 80955, 81212, 86352, 88480, 92520, 99540, 101515, 107940, 113760, 121818, 123360, 129528, 132720, 142121, 143920, 159264, 161910, 162424, 172704, 182727, 185040, 199080, 203030, 215880, 243636, 259056, 265440, 284242, 287840, 304545, 323820, 324848, 365454, 370080, 398160, 406060, 426363, 431760, 487272, 518112, 568484, 609090, 647640, 649696, 710605, 730908, 796320, 812120, 852726, 863520, 913635, 974544, 1136968, 1218180, 1279089, 1295280, 1421210, 1461816, 1624240, 1705452, 1827270, 1949088, 2131815, 2273936, 2436360, 2558178, 2590560, 2842420, 2923632, 3248480, 3410904, 3654540, 4263630, 4547872, 4872720, 5116356, 5684840, 5847264, 6395445, 6821808, 7309080, 8527260, 9745440, 10232712, 11369680, 12790890, 13643616, 14618160, 17054520, 20465424, 22739360, 25581780, 29236320, 34109040, 40930848, 51163560, 68218080, 102327120, 204654240]

約数ペア:

[(1, 204654240), (2, 102327120), (3, 68218080), (4, 51163560), (5, 40930848), (6, 34109040), (7, 29236320), (8, 25581780), (9, 22739360), (10, 20465424), (12, 17054520), (14, 14618160), (15, 13643616), (16, 12790890), (18, 11369680), (20, 10232712), (21, 9745440), (24, 8527260), (28, 7309080), (30, 6821808), (32, 6395445), (35, 5847264), (36, 5684840), (40, 5116356), (42, 4872720), (45, 4547872), (48, 4263630), (56, 3654540), (60, 3410904), (63, 3248480), (70, 2923632), (72, 2842420), (79, 2590560), (80, 2558178), (84, 2436360), (90, 2273936), (96, 2131815), (105, 1949088), (112, 1827270), (120, 1705452), (126, 1624240), (140, 1461816), (144, 1421210), (158, 1295280), (160, 1279089), (168, 1218180), (180, 1136968), (210, 974544), (224, 913635), (237, 863520), (240, 852726), (252, 812120), (257, 796320), (280, 730908), (288, 710605), (315, 649696), (316, 647640), (336, 609090), (360, 568484), (395, 518112), (420, 487272), (474, 431760), (480, 426363), (504, 406060), (514, 398160), (553, 370080), (560, 365454), (630, 324848), (632, 323820), (672, 304545), (711, 287840), (720, 284242), (771, 265440), (790, 259056), (840, 243636), (948, 215880), (1008, 203030), (1028, 199080), (1106, 185040), (1120, 182727), (1185, 172704), (1260, 162424), (1264, 161910), (1285, 159264), (1422, 143920), (1440, 142121), (1542, 132720), (1580, 129528), (1659, 123360), (1680, 121818), (1799, 113760), (1896, 107940), (2016, 101515), (2056, 99540), (2212, 92520), (2313, 88480), (2370, 86352), (2520, 81212), (2528, 80955), (2570, 79632), (2765, 74016), (2844, 71960), (3084, 66360), (3160, 64764), (3318, 61680), (3360, 60909), (3555, 57568), (3598, 56880), (3792, 53970), (3855, 53088), (4112, 49770), (4424, 46260), (4626, 44240), (4740, 43176), (4977, 41120), (5040, 40606), (5140, 39816), (5397, 37920), (5530, 37008), (5688, 35980), (6168, 33180), (6320, 32382), (6636, 30840), (7110, 28784), (7196, 28440), (7584, 26985), (7710, 26544), (8224, 24885), (8295, 24672), (8848, 23130), (8995, 22752), (9252, 22120), (9480, 21588), (9954, 20560), (10080, 20303), (10280, 19908), (10794, 18960), (11060, 18504), (11376, 17990), (11565, 17696), (12336, 16590), (12640, 16191), (13272, 15420), (14220, 14392)]