1309281280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:242

約数の個数: 176

約数和(自身を含む): 3315550464

約数和(自身を除く): 2006269184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 73, 80, 113, 124, 128, 146, 155, 160, 226, 248, 256, 292, 310, 320, 365, 452, 496, 512, 565, 584, 620, 640, 730, 904, 992, 1024, 1130, 1168, 1240, 1280, 1460, 1808, 1984, 2260, 2263, 2336, 2480, 2560, 2920, 3503, 3616, 3968, 4520, 4526, 4672, 4960, 5120, 5840, 7006, 7232, 7936, 8249, 9040, 9052, 9344, 9920, 11315, 11680, 14012, 14464, 15872, 16498, 17515, 18080, 18104, 18688, 19840, 22630, 23360, 28024, 28928, 31744, 32996, 35030, 36160, 36208, 37376, 39680, 41245, 45260, 46720, 56048, 57856, 65992, 70060, 72320, 72416, 74752, 79360, 82490, 90520, 93440, 112096, 115712, 131984, 140120, 144640, 144832, 158720, 164980, 181040, 186880, 224192, 255719, 263968, 280240, 289280, 289664, 329960, 362080, 373760, 448384, 511438, 527936, 560480, 578560, 579328, 659920, 724160, 896768, 1022876, 1055872, 1120960, 1158656, 1278595, 1319840, 1448320, 1793536, 2045752, 2111744, 2241920, 2317312, 2557190, 2639680, 2896640, 3587072, 4091504, 4223488, 4483840, 5114380, 5279360, 5793280, 8183008, 8446976, 8967680, 10228760, 10558720, 11586560, 16366016, 17935360, 20457520, 21117440, 32732032, 40915040, 42234880, 65464064, 81830080, 130928128, 163660160, 261856256, 327320320, 654640640, 1309281280]

約数ペア:

[(1, 1309281280), (2, 654640640), (4, 327320320), (5, 261856256), (8, 163660160), (10, 130928128), (16, 81830080), (20, 65464064), (31, 42234880), (32, 40915040), (40, 32732032), (62, 21117440), (64, 20457520), (73, 17935360), (80, 16366016), (113, 11586560), (124, 10558720), (128, 10228760), (146, 8967680), (155, 8446976), (160, 8183008), (226, 5793280), (248, 5279360), (256, 5114380), (292, 4483840), (310, 4223488), (320, 4091504), (365, 3587072), (452, 2896640), (496, 2639680), (512, 2557190), (565, 2317312), (584, 2241920), (620, 2111744), (640, 2045752), (730, 1793536), (904, 1448320), (992, 1319840), (1024, 1278595), (1130, 1158656), (1168, 1120960), (1240, 1055872), (1280, 1022876), (1460, 896768), (1808, 724160), (1984, 659920), (2260, 579328), (2263, 578560), (2336, 560480), (2480, 527936), (2560, 511438), (2920, 448384), (3503, 373760), (3616, 362080), (3968, 329960), (4520, 289664), (4526, 289280), (4672, 280240), (4960, 263968), (5120, 255719), (5840, 224192), (7006, 186880), (7232, 181040), (7936, 164980), (8249, 158720), (9040, 144832), (9052, 144640), (9344, 140120), (9920, 131984), (11315, 115712), (11680, 112096), (14012, 93440), (14464, 90520), (15872, 82490), (16498, 79360), (17515, 74752), (18080, 72416), (18104, 72320), (18688, 70060), (19840, 65992), (22630, 57856), (23360, 56048), (28024, 46720), (28928, 45260), (31744, 41245), (32996, 39680), (35030, 37376), (36160, 36208)]