201320120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{773}}^1$

素因数の和:1184

約数の個数: 64

約数和(自身を含む): 481489920

約数和(自身を除く): 280169800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 383, 680, 766, 773, 1532, 1546, 1915, 3064, 3092, 3830, 3865, 6184, 6511, 7660, 7730, 13022, 13141, 15320, 15460, 26044, 26282, 30920, 32555, 52088, 52564, 65110, 65705, 105128, 130220, 131410, 260440, 262820, 296059, 525640, 592118, 1184236, 1480295, 2368472, 2960590, 5033003, 5921180, 10066006, 11842360, 20132012, 25165015, 40264024, 50330030, 100660060, 201320120]

約数ペア:

[(1, 201320120), (2, 100660060), (4, 50330030), (5, 40264024), (8, 25165015), (10, 20132012), (17, 11842360), (20, 10066006), (34, 5921180), (40, 5033003), (68, 2960590), (85, 2368472), (136, 1480295), (170, 1184236), (340, 592118), (383, 525640), (680, 296059), (766, 262820), (773, 260440), (1532, 131410), (1546, 130220), (1915, 105128), (3064, 65705), (3092, 65110), (3830, 52564), (3865, 52088), (6184, 32555), (6511, 30920), (7660, 26282), (7730, 26044), (13022, 15460), (13141, 15320)]