65311360

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 169646400

約数和(自身を除く): 104335040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 128, 131, 152, 160, 164, 190, 205, 262, 304, 320, 328, 380, 410, 524, 608, 640, 655, 656, 760, 779, 820, 1048, 1216, 1310, 1312, 1520, 1558, 1640, 2096, 2432, 2489, 2620, 2624, 3040, 3116, 3280, 3895, 4192, 4978, 5240, 5248, 5371, 6080, 6232, 6560, 7790, 8384, 9956, 10480, 10742, 12160, 12445, 12464, 13120, 15580, 16768, 19912, 20960, 21484, 24890, 24928, 26240, 26855, 31160, 39824, 41920, 42968, 49780, 49856, 53710, 62320, 79648, 83840, 85936, 99560, 99712, 102049, 107420, 124640, 159296, 171872, 199120, 204098, 214840, 249280, 318592, 343744, 398240, 408196, 429680, 498560, 510245, 687488, 796480, 816392, 859360, 1020490, 1592960, 1632784, 1718720, 2040980, 3265568, 3437440, 4081960, 6531136, 8163920, 13062272, 16327840, 32655680, 65311360]

約数ペア:

[(1, 65311360), (2, 32655680), (4, 16327840), (5, 13062272), (8, 8163920), (10, 6531136), (16, 4081960), (19, 3437440), (20, 3265568), (32, 2040980), (38, 1718720), (40, 1632784), (41, 1592960), (64, 1020490), (76, 859360), (80, 816392), (82, 796480), (95, 687488), (128, 510245), (131, 498560), (152, 429680), (160, 408196), (164, 398240), (190, 343744), (205, 318592), (262, 249280), (304, 214840), (320, 204098), (328, 199120), (380, 171872), (410, 159296), (524, 124640), (608, 107420), (640, 102049), (655, 99712), (656, 99560), (760, 85936), (779, 83840), (820, 79648), (1048, 62320), (1216, 53710), (1310, 49856), (1312, 49780), (1520, 42968), (1558, 41920), (1640, 39824), (2096, 31160), (2432, 26855), (2489, 26240), (2620, 24928), (2624, 24890), (3040, 21484), (3116, 20960), (3280, 19912), (3895, 16768), (4192, 15580), (4978, 13120), (5240, 12464), (5248, 12445), (5371, 12160), (6080, 10742), (6232, 10480), (6560, 9956), (7790, 8384)]