18700680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 60652800

約数和(自身を除く): 41952120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 89, 102, 103, 120, 136, 170, 178, 204, 206, 255, 267, 309, 340, 356, 408, 412, 445, 510, 515, 534, 618, 680, 712, 824, 890, 1020, 1030, 1068, 1236, 1335, 1513, 1545, 1751, 1780, 2040, 2060, 2136, 2472, 2670, 3026, 3090, 3502, 3560, 4120, 4539, 5253, 5340, 6052, 6180, 7004, 7565, 8755, 9078, 9167, 10506, 10680, 12104, 12360, 14008, 15130, 17510, 18156, 18334, 21012, 22695, 26265, 27501, 30260, 35020, 36312, 36668, 42024, 45390, 45835, 52530, 55002, 60520, 70040, 73336, 90780, 91670, 105060, 110004, 137505, 155839, 181560, 183340, 210120, 220008, 275010, 311678, 366680, 467517, 550020, 623356, 779195, 935034, 1100040, 1246712, 1558390, 1870068, 2337585, 3116780, 3740136, 4675170, 6233560, 9350340, 18700680]

約数ペア:

[(1, 18700680), (2, 9350340), (3, 6233560), (4, 4675170), (5, 3740136), (6, 3116780), (8, 2337585), (10, 1870068), (12, 1558390), (15, 1246712), (17, 1100040), (20, 935034), (24, 779195), (30, 623356), (34, 550020), (40, 467517), (51, 366680), (60, 311678), (68, 275010), (85, 220008), (89, 210120), (102, 183340), (103, 181560), (120, 155839), (136, 137505), (170, 110004), (178, 105060), (204, 91670), (206, 90780), (255, 73336), (267, 70040), (309, 60520), (340, 55002), (356, 52530), (408, 45835), (412, 45390), (445, 42024), (510, 36668), (515, 36312), (534, 35020), (618, 30260), (680, 27501), (712, 26265), (824, 22695), (890, 21012), (1020, 18334), (1030, 18156), (1068, 17510), (1236, 15130), (1335, 14008), (1513, 12360), (1545, 12104), (1751, 10680), (1780, 10506), (2040, 9167), (2060, 9078), (2136, 8755), (2472, 7565), (2670, 7004), (3026, 6180), (3090, 6052), (3502, 5340), (3560, 5253), (4120, 4539)]