215640240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3109}}^1$

素因数の和:3159

約数の個数: 120

約数和(自身を含む): 710348880

約数和(自身を除く): 494708640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 289, 340, 408, 510, 578, 680, 816, 867, 1020, 1156, 1360, 1445, 1734, 2040, 2312, 2890, 3109, 3468, 4080, 4335, 4624, 5780, 6218, 6936, 8670, 9327, 11560, 12436, 13872, 15545, 17340, 18654, 23120, 24872, 31090, 34680, 37308, 46635, 49744, 52853, 62180, 69360, 74616, 93270, 105706, 124360, 149232, 158559, 186540, 211412, 248720, 264265, 317118, 373080, 422824, 528530, 634236, 746160, 792795, 845648, 898501, 1057060, 1268472, 1585590, 1797002, 2114120, 2536944, 2695503, 3171180, 3594004, 4228240, 4492505, 5391006, 6342360, 7188008, 8985010, 10782012, 12684720, 13477515, 14376016, 17970020, 21564024, 26955030, 35940040, 43128048, 53910060, 71880080, 107820120, 215640240]

約数ペア:

[(1, 215640240), (2, 107820120), (3, 71880080), (4, 53910060), (5, 43128048), (6, 35940040), (8, 26955030), (10, 21564024), (12, 17970020), (15, 14376016), (16, 13477515), (17, 12684720), (20, 10782012), (24, 8985010), (30, 7188008), (34, 6342360), (40, 5391006), (48, 4492505), (51, 4228240), (60, 3594004), (68, 3171180), (80, 2695503), (85, 2536944), (102, 2114120), (120, 1797002), (136, 1585590), (170, 1268472), (204, 1057060), (240, 898501), (255, 845648), (272, 792795), (289, 746160), (340, 634236), (408, 528530), (510, 422824), (578, 373080), (680, 317118), (816, 264265), (867, 248720), (1020, 211412), (1156, 186540), (1360, 158559), (1445, 149232), (1734, 124360), (2040, 105706), (2312, 93270), (2890, 74616), (3109, 69360), (3468, 62180), (4080, 52853), (4335, 49744), (4624, 46635), (5780, 37308), (6218, 34680), (6936, 31090), (8670, 24872), (9327, 23120), (11560, 18654), (12436, 17340), (13872, 15545)]