71929480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 195022080

約数和(自身を除く): 123092600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 53, 56, 70, 74, 106, 131, 140, 148, 185, 212, 259, 262, 265, 280, 296, 370, 371, 424, 518, 524, 530, 655, 740, 742, 917, 1036, 1048, 1060, 1295, 1310, 1480, 1484, 1834, 1855, 1961, 2072, 2120, 2590, 2620, 2968, 3668, 3710, 3922, 4585, 4847, 5180, 5240, 6943, 7336, 7420, 7844, 9170, 9694, 9805, 10360, 13727, 13886, 14840, 15688, 18340, 19388, 19610, 24235, 27454, 27772, 33929, 34715, 36680, 38776, 39220, 48470, 48601, 54908, 55544, 67858, 68635, 69430, 78440, 96940, 97202, 109816, 135716, 137270, 138860, 169645, 193880, 194404, 243005, 256891, 271432, 274540, 277720, 339290, 388808, 486010, 513782, 549080, 678580, 972020, 1027564, 1284455, 1357160, 1798237, 1944040, 2055128, 2568910, 3596474, 5137820, 7192948, 8991185, 10275640, 14385896, 17982370, 35964740, 71929480]

約数ペア:

[(1, 71929480), (2, 35964740), (4, 17982370), (5, 14385896), (7, 10275640), (8, 8991185), (10, 7192948), (14, 5137820), (20, 3596474), (28, 2568910), (35, 2055128), (37, 1944040), (40, 1798237), (53, 1357160), (56, 1284455), (70, 1027564), (74, 972020), (106, 678580), (131, 549080), (140, 513782), (148, 486010), (185, 388808), (212, 339290), (259, 277720), (262, 274540), (265, 271432), (280, 256891), (296, 243005), (370, 194404), (371, 193880), (424, 169645), (518, 138860), (524, 137270), (530, 135716), (655, 109816), (740, 97202), (742, 96940), (917, 78440), (1036, 69430), (1048, 68635), (1060, 67858), (1295, 55544), (1310, 54908), (1480, 48601), (1484, 48470), (1834, 39220), (1855, 38776), (1961, 36680), (2072, 34715), (2120, 33929), (2590, 27772), (2620, 27454), (2968, 24235), (3668, 19610), (3710, 19388), (3922, 18340), (4585, 15688), (4847, 14840), (5180, 13886), (5240, 13727), (6943, 10360), (7336, 9805), (7420, 9694), (7844, 9170)]