165788240

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 399791376

約数和(自身を除く): 234003136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 61, 80, 106, 122, 212, 244, 265, 305, 424, 488, 530, 610, 641, 848, 976, 1060, 1220, 1282, 2120, 2440, 2564, 3205, 3233, 4240, 4880, 5128, 6410, 6466, 10256, 12820, 12932, 16165, 25640, 25864, 32330, 33973, 39101, 51280, 51728, 64660, 67946, 78202, 129320, 135892, 156404, 169865, 195505, 258640, 271784, 312808, 339730, 391010, 543568, 625616, 679460, 782020, 1358920, 1564040, 2072353, 2717840, 3128080, 4144706, 8289412, 10361765, 16578824, 20723530, 33157648, 41447060, 82894120, 165788240]

約数ペア:

[(1, 165788240), (2, 82894120), (4, 41447060), (5, 33157648), (8, 20723530), (10, 16578824), (16, 10361765), (20, 8289412), (40, 4144706), (53, 3128080), (61, 2717840), (80, 2072353), (106, 1564040), (122, 1358920), (212, 782020), (244, 679460), (265, 625616), (305, 543568), (424, 391010), (488, 339730), (530, 312808), (610, 271784), (641, 258640), (848, 195505), (976, 169865), (1060, 156404), (1220, 135892), (1282, 129320), (2120, 78202), (2440, 67946), (2564, 64660), (3205, 51728), (3233, 51280), (4240, 39101), (4880, 33973), (5128, 32330), (6410, 25864), (6466, 25640), (10256, 16165), (12820, 12932)]