18750120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 59754240

約数和(自身を除く): 41004120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 41, 60, 74, 82, 103, 111, 120, 123, 148, 164, 185, 205, 206, 222, 246, 296, 309, 328, 370, 410, 412, 444, 492, 515, 555, 615, 618, 740, 820, 824, 888, 984, 1030, 1110, 1230, 1236, 1480, 1517, 1545, 1640, 2060, 2220, 2460, 2472, 3034, 3090, 3811, 4120, 4223, 4440, 4551, 4920, 6068, 6180, 7585, 7622, 8446, 9102, 11433, 12136, 12360, 12669, 15170, 15244, 16892, 18204, 19055, 21115, 22755, 22866, 25338, 30340, 30488, 33784, 36408, 38110, 42230, 45510, 45732, 50676, 57165, 60680, 63345, 76220, 84460, 91020, 91464, 101352, 114330, 126690, 152440, 156251, 168920, 182040, 228660, 253380, 312502, 457320, 468753, 506760, 625004, 781255, 937506, 1250008, 1562510, 1875012, 2343765, 3125020, 3750024, 4687530, 6250040, 9375060, 18750120]

約数ペア:

[(1, 18750120), (2, 9375060), (3, 6250040), (4, 4687530), (5, 3750024), (6, 3125020), (8, 2343765), (10, 1875012), (12, 1562510), (15, 1250008), (20, 937506), (24, 781255), (30, 625004), (37, 506760), (40, 468753), (41, 457320), (60, 312502), (74, 253380), (82, 228660), (103, 182040), (111, 168920), (120, 156251), (123, 152440), (148, 126690), (164, 114330), (185, 101352), (205, 91464), (206, 91020), (222, 84460), (246, 76220), (296, 63345), (309, 60680), (328, 57165), (370, 50676), (410, 45732), (412, 45510), (444, 42230), (492, 38110), (515, 36408), (555, 33784), (615, 30488), (618, 30340), (740, 25338), (820, 22866), (824, 22755), (888, 21115), (984, 19055), (1030, 18204), (1110, 16892), (1230, 15244), (1236, 15170), (1480, 12669), (1517, 12360), (1545, 12136), (1640, 11433), (2060, 9102), (2220, 8446), (2460, 7622), (2472, 7585), (3034, 6180), (3090, 6068), (3811, 4920), (4120, 4551), (4223, 4440)]