30471760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1117}}^1$

素因数の和:1172

約数の個数: 80

約数和(自身を含む): 79852032

約数和(自身を除く): 49380272

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, 1117, 1240, 1364, 1705, 2234, 2480, 2728, 3410, 4468, 5456, 5585, 6820, 8936, 11170, 12287, 13640, 17872, 22340, 24574, 27280, 34627, 44680, 49148, 61435, 69254, 89360, 98296, 122870, 138508, 173135, 196592, 245740, 277016, 346270, 380897, 491480, 554032, 692540, 761794, 982960, 1385080, 1523588, 1904485, 2770160, 3047176, 3808970, 6094352, 7617940, 15235880, 30471760]

約数ペア:

[(1, 30471760), (2, 15235880), (4, 7617940), (5, 6094352), (8, 3808970), (10, 3047176), (11, 2770160), (16, 1904485), (20, 1523588), (22, 1385080), (31, 982960), (40, 761794), (44, 692540), (55, 554032), (62, 491480), (80, 380897), (88, 346270), (110, 277016), (124, 245740), (155, 196592), (176, 173135), (220, 138508), (248, 122870), (310, 98296), (341, 89360), (440, 69254), (496, 61435), (620, 49148), (682, 44680), (880, 34627), (1117, 27280), (1240, 24574), (1364, 22340), (1705, 17872), (2234, 13640), (2480, 12287), (2728, 11170), (3410, 8936), (4468, 6820), (5456, 5585)]