1555648640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26711}}^1$

素因数の和:26750

約数の個数: 128

約数和(自身を含む): 4577368320

約数和(自身を除く): 3021719680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 4160, 4480, 5824, 7280, 8320, 11648, 14560, 26711, 29120, 53422, 58240, 106844, 133555, 186977, 213688, 267110, 347243, 373954, 427376, 534220, 694486, 747908, 854752, 934885, 1068440, 1388972, 1495816, 1709504, 1736215, 1869770, 2136880, 2430701, 2777944, 2991632, 3419008, 3472430, 3739540, 4273760, 4861402, 5555888, 5983264, 6944860, 7479080, 8547520, 9722804, 11111776, 11966528, 12153505, 13889720, 14958160, 17095040, 19445608, 22223552, 23933056, 24307010, 27779440, 29916320, 38891216, 44447104, 48614020, 55558880, 59832640, 77782432, 97228040, 111117760, 119665280, 155564864, 194456080, 222235520, 311129728, 388912160, 777824320, 1555648640]

約数ペア:

[(1, 1555648640), (2, 777824320), (4, 388912160), (5, 311129728), (7, 222235520), (8, 194456080), (10, 155564864), (13, 119665280), (14, 111117760), (16, 97228040), (20, 77782432), (26, 59832640), (28, 55558880), (32, 48614020), (35, 44447104), (40, 38891216), (52, 29916320), (56, 27779440), (64, 24307010), (65, 23933056), (70, 22223552), (80, 19445608), (91, 17095040), (104, 14958160), (112, 13889720), (128, 12153505), (130, 11966528), (140, 11111776), (160, 9722804), (182, 8547520), (208, 7479080), (224, 6944860), (260, 5983264), (280, 5555888), (320, 4861402), (364, 4273760), (416, 3739540), (448, 3472430), (455, 3419008), (520, 2991632), (560, 2777944), (640, 2430701), (728, 2136880), (832, 1869770), (896, 1736215), (910, 1709504), (1040, 1495816), (1120, 1388972), (1456, 1068440), (1664, 934885), (1820, 854752), (2080, 747908), (2240, 694486), (2912, 534220), (3640, 427376), (4160, 373954), (4480, 347243), (5824, 267110), (7280, 213688), (8320, 186977), (11648, 133555), (14560, 106844), (26711, 58240), (29120, 53422)]