130622720

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 339958080

約数和(自身を除く): 209335360

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, 256, 262, 304, 320, 328, 380, 410, 524, 608, 640, 655, 656, 760, 779, 820, 1048, 1216, 1280, 1310, 1312, 1520, 1558, 1640, 2096, 2432, 2489, 2620, 2624, 3040, 3116, 3280, 3895, 4192, 4864, 4978, 5240, 5248, 5371, 6080, 6232, 6560, 7790, 8384, 9956, 10480, 10496, 10742, 12160, 12445, 12464, 13120, 15580, 16768, 19912, 20960, 21484, 24320, 24890, 24928, 26240, 26855, 31160, 33536, 39824, 41920, 42968, 49780, 49856, 52480, 53710, 62320, 79648, 83840, 85936, 99560, 99712, 102049, 107420, 124640, 159296, 167680, 171872, 199120, 199424, 204098, 214840, 249280, 318592, 343744, 398240, 408196, 429680, 498560, 510245, 637184, 687488, 796480, 816392, 859360, 997120, 1020490, 1374976, 1592960, 1632784, 1718720, 2040980, 3185920, 3265568, 3437440, 4081960, 6531136, 6874880, 8163920, 13062272, 16327840, 26124544, 32655680, 65311360, 130622720]

約数ペア:

[(1, 130622720), (2, 65311360), (4, 32655680), (5, 26124544), (8, 16327840), (10, 13062272), (16, 8163920), (19, 6874880), (20, 6531136), (32, 4081960), (38, 3437440), (40, 3265568), (41, 3185920), (64, 2040980), (76, 1718720), (80, 1632784), (82, 1592960), (95, 1374976), (128, 1020490), (131, 997120), (152, 859360), (160, 816392), (164, 796480), (190, 687488), (205, 637184), (256, 510245), (262, 498560), (304, 429680), (320, 408196), (328, 398240), (380, 343744), (410, 318592), (524, 249280), (608, 214840), (640, 204098), (655, 199424), (656, 199120), (760, 171872), (779, 167680), (820, 159296), (1048, 124640), (1216, 107420), (1280, 102049), (1310, 99712), (1312, 99560), (1520, 85936), (1558, 83840), (1640, 79648), (2096, 62320), (2432, 53710), (2489, 52480), (2620, 49856), (2624, 49780), (3040, 42968), (3116, 41920), (3280, 39824), (3895, 33536), (4192, 31160), (4864, 26855), (4978, 26240), (5240, 24928), (5248, 24890), (5371, 24320), (6080, 21484), (6232, 20960), (6560, 19912), (7790, 16768), (8384, 15580), (9956, 13120), (10480, 12464), (10496, 12445), (10742, 12160)]