90051280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3301}}^1$

素因数の和:3356

約数の個数: 80

約数和(自身を含む): 235842048

約数和(自身を除く): 145790768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3301, 3410, 5456, 6602, 6820, 13204, 13640, 16505, 26408, 27280, 33010, 36311, 52816, 66020, 72622, 102331, 132040, 145244, 181555, 204662, 264080, 290488, 363110, 409324, 511655, 580976, 726220, 818648, 1023310, 1125641, 1452440, 1637296, 2046620, 2251282, 2904880, 4093240, 4502564, 5628205, 8186480, 9005128, 11256410, 18010256, 22512820, 45025640, 90051280]

約数ペア:

[(1, 90051280), (2, 45025640), (4, 22512820), (5, 18010256), (8, 11256410), (10, 9005128), (11, 8186480), (16, 5628205), (20, 4502564), (22, 4093240), (31, 2904880), (40, 2251282), (44, 2046620), (55, 1637296), (62, 1452440), (80, 1125641), (88, 1023310), (110, 818648), (124, 726220), (155, 580976), (176, 511655), (220, 409324), (248, 363110), (310, 290488), (341, 264080), (440, 204662), (496, 181555), (620, 145244), (682, 132040), (880, 102331), (1240, 72622), (1364, 66020), (1705, 52816), (2480, 36311), (2728, 33010), (3301, 27280), (3410, 26408), (5456, 16505), (6602, 13640), (6820, 13204)]