538420480

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 216

約数和(自身を含む): 1481245920

約数和(自身を除く): 942825440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 131, 152, 160, 169, 190, 208, 247, 256, 260, 262, 304, 320, 338, 380, 416, 494, 520, 524, 608, 640, 655, 676, 760, 832, 845, 988, 1040, 1048, 1216, 1235, 1280, 1310, 1352, 1520, 1664, 1690, 1703, 1976, 2080, 2096, 2432, 2470, 2489, 2620, 2704, 3040, 3211, 3328, 3380, 3406, 3952, 4160, 4192, 4864, 4940, 4978, 5240, 5408, 6080, 6422, 6760, 6812, 7904, 8320, 8384, 8515, 9880, 9956, 10480, 10816, 12160, 12445, 12844, 13520, 13624, 15808, 16055, 16640, 16768, 17030, 19760, 19912, 20960, 21632, 22139, 24320, 24890, 25688, 27040, 27248, 31616, 32110, 32357, 33536, 34060, 39520, 39824, 41920, 43264, 44278, 49780, 51376, 54080, 54496, 63232, 64220, 64714, 68120, 79040, 79648, 83840, 88556, 99560, 102752, 108160, 108992, 110695, 128440, 129428, 136240, 158080, 159296, 161785, 167680, 177112, 199120, 205504, 216320, 217984, 221390, 256880, 258856, 272480, 316160, 318592, 323570, 354224, 398240, 411008, 420641, 435968, 442780, 513760, 517712, 544960, 637184, 647140, 708448, 796480, 822016, 841282, 885560, 1027520, 1035424, 1089920, 1294280, 1416896, 1592960, 1682564, 1771120, 2055040, 2070848, 2103205, 2179840, 2588560, 2833792, 3185920, 3365128, 3542240, 4110080, 4141696, 4206410, 5177120, 5667584, 6730256, 7084480, 8283392, 8412820, 10354240, 13460512, 14168960, 16825640, 20708480, 26921024, 28337920, 33651280, 41416960, 53842048, 67302560, 107684096, 134605120, 269210240, 538420480]

約数ペア:

[(1, 538420480), (2, 269210240), (4, 134605120), (5, 107684096), (8, 67302560), (10, 53842048), (13, 41416960), (16, 33651280), (19, 28337920), (20, 26921024), (26, 20708480), (32, 16825640), (38, 14168960), (40, 13460512), (52, 10354240), (64, 8412820), (65, 8283392), (76, 7084480), (80, 6730256), (95, 5667584), (104, 5177120), (128, 4206410), (130, 4141696), (131, 4110080), (152, 3542240), (160, 3365128), (169, 3185920), (190, 2833792), (208, 2588560), (247, 2179840), (256, 2103205), (260, 2070848), (262, 2055040), (304, 1771120), (320, 1682564), (338, 1592960), (380, 1416896), (416, 1294280), (494, 1089920), (520, 1035424), (524, 1027520), (608, 885560), (640, 841282), (655, 822016), (676, 796480), (760, 708448), (832, 647140), (845, 637184), (988, 544960), (1040, 517712), (1048, 513760), (1216, 442780), (1235, 435968), (1280, 420641), (1310, 411008), (1352, 398240), (1520, 354224), (1664, 323570), (1690, 318592), (1703, 316160), (1976, 272480), (2080, 258856), (2096, 256880), (2432, 221390), (2470, 217984), (2489, 216320), (2620, 205504), (2704, 199120), (3040, 177112), (3211, 167680), (3328, 161785), (3380, 159296), (3406, 158080), (3952, 136240), (4160, 129428), (4192, 128440), (4864, 110695), (4940, 108992), (4978, 108160), (5240, 102752), (5408, 99560), (6080, 88556), (6422, 83840), (6760, 79648), (6812, 79040), (7904, 68120), (8320, 64714), (8384, 64220), (8515, 63232), (9880, 54496), (9956, 54080), (10480, 51376), (10816, 49780), (12160, 44278), (12445, 43264), (12844, 41920), (13520, 39824), (13624, 39520), (15808, 34060), (16055, 33536), (16640, 32357), (16768, 32110), (17030, 31616), (19760, 27248), (19912, 27040), (20960, 25688), (21632, 24890), (22139, 24320)]