15202090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 15901910

約数列:

[1, 2, 5, 10, 19, 29, 31, 38, 58, 62, 89, 95, 145, 155, 178, 190, 290, 310, 445, 551, 589, 890, 899, 1102, 1178, 1691, 1798, 2581, 2755, 2759, 2945, 3382, 4495, 5162, 5510, 5518, 5890, 8455, 8990, 12905, 13795, 16910, 17081, 25810, 27590, 34162, 49039, 52421, 80011, 85405, 98078, 104842, 160022, 170810, 245195, 262105, 400055, 490390, 524210, 800110, 1520209, 3040418, 7601045, 15202090]

約数ペア:

[(1, 15202090), (2, 7601045), (5, 3040418), (10, 1520209), (19, 800110), (29, 524210), (31, 490390), (38, 400055), (58, 262105), (62, 245195), (89, 170810), (95, 160022), (145, 104842), (155, 98078), (178, 85405), (190, 80011), (290, 52421), (310, 49039), (445, 34162), (551, 27590), (589, 25810), (890, 17081), (899, 16910), (1102, 13795), (1178, 12905), (1691, 8990), (1798, 8455), (2581, 5890), (2755, 5518), (2759, 5510), (2945, 5162), (3382, 4495)]