317221760

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 128

約数和(自身を含む): 799027200

約数和(自身を除く): 481805440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 64, 80, 118, 124, 128, 155, 160, 236, 248, 271, 295, 310, 320, 472, 496, 542, 590, 620, 640, 944, 992, 1084, 1180, 1240, 1355, 1829, 1888, 1984, 2168, 2360, 2480, 2710, 3658, 3776, 3968, 4336, 4720, 4960, 5420, 7316, 7552, 8401, 8672, 9145, 9440, 9920, 10840, 14632, 15989, 16802, 17344, 18290, 18880, 19840, 21680, 29264, 31978, 33604, 34688, 36580, 37760, 42005, 43360, 58528, 63956, 67208, 73160, 79945, 84010, 86720, 117056, 127912, 134416, 146320, 159890, 168020, 173440, 234112, 255824, 268832, 292640, 319780, 336040, 495659, 511648, 537664, 585280, 639560, 672080, 991318, 1023296, 1075328, 1170560, 1279120, 1344160, 1982636, 2046592, 2478295, 2558240, 2688320, 3965272, 4956590, 5116480, 5376640, 7930544, 9913180, 10232960, 15861088, 19826360, 31722176, 39652720, 63444352, 79305440, 158610880, 317221760]

約数ペア:

[(1, 317221760), (2, 158610880), (4, 79305440), (5, 63444352), (8, 39652720), (10, 31722176), (16, 19826360), (20, 15861088), (31, 10232960), (32, 9913180), (40, 7930544), (59, 5376640), (62, 5116480), (64, 4956590), (80, 3965272), (118, 2688320), (124, 2558240), (128, 2478295), (155, 2046592), (160, 1982636), (236, 1344160), (248, 1279120), (271, 1170560), (295, 1075328), (310, 1023296), (320, 991318), (472, 672080), (496, 639560), (542, 585280), (590, 537664), (620, 511648), (640, 495659), (944, 336040), (992, 319780), (1084, 292640), (1180, 268832), (1240, 255824), (1355, 234112), (1829, 173440), (1888, 168020), (1984, 159890), (2168, 146320), (2360, 134416), (2480, 127912), (2710, 117056), (3658, 86720), (3776, 84010), (3968, 79945), (4336, 73160), (4720, 67208), (4960, 63956), (5420, 58528), (7316, 43360), (7552, 42005), (8401, 37760), (8672, 36580), (9145, 34688), (9440, 33604), (9920, 31978), (10840, 29264), (14632, 21680), (15989, 19840), (16802, 18880), (17344, 18290)]