209520240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:699

約数の個数: 160

約数和(自身を含む): 696651840

約数和(自身を除く): 487131600

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, 89, 102, 120, 136, 170, 178, 204, 240, 255, 267, 272, 340, 356, 408, 445, 510, 534, 577, 680, 712, 816, 890, 1020, 1068, 1154, 1335, 1360, 1424, 1513, 1731, 1780, 2040, 2136, 2308, 2670, 2885, 3026, 3462, 3560, 4080, 4272, 4539, 4616, 5340, 5770, 6052, 6924, 7120, 7565, 8655, 9078, 9232, 9809, 10680, 11540, 12104, 13848, 15130, 17310, 18156, 19618, 21360, 22695, 23080, 24208, 27696, 29427, 30260, 34620, 36312, 39236, 45390, 46160, 49045, 51353, 58854, 60520, 69240, 72624, 78472, 90780, 98090, 102706, 117708, 121040, 138480, 147135, 154059, 156944, 181560, 196180, 205412, 235416, 256765, 294270, 308118, 363120, 392360, 410824, 470832, 513530, 588540, 616236, 770295, 784720, 821648, 873001, 1027060, 1177080, 1232472, 1540590, 1746002, 2054120, 2354160, 2464944, 2619003, 3081180, 3492004, 4108240, 4365005, 5238006, 6162360, 6984008, 8730010, 10476012, 12324720, 13095015, 13968016, 17460020, 20952024, 26190030, 34920040, 41904048, 52380060, 69840080, 104760120, 209520240]

約数ペア:

[(1, 209520240), (2, 104760120), (3, 69840080), (4, 52380060), (5, 41904048), (6, 34920040), (8, 26190030), (10, 20952024), (12, 17460020), (15, 13968016), (16, 13095015), (17, 12324720), (20, 10476012), (24, 8730010), (30, 6984008), (34, 6162360), (40, 5238006), (48, 4365005), (51, 4108240), (60, 3492004), (68, 3081180), (80, 2619003), (85, 2464944), (89, 2354160), (102, 2054120), (120, 1746002), (136, 1540590), (170, 1232472), (178, 1177080), (204, 1027060), (240, 873001), (255, 821648), (267, 784720), (272, 770295), (340, 616236), (356, 588540), (408, 513530), (445, 470832), (510, 410824), (534, 392360), (577, 363120), (680, 308118), (712, 294270), (816, 256765), (890, 235416), (1020, 205412), (1068, 196180), (1154, 181560), (1335, 156944), (1360, 154059), (1424, 147135), (1513, 138480), (1731, 121040), (1780, 117708), (2040, 102706), (2136, 98090), (2308, 90780), (2670, 78472), (2885, 72624), (3026, 69240), (3462, 60520), (3560, 58854), (4080, 51353), (4272, 49045), (4539, 46160), (4616, 45390), (5340, 39236), (5770, 36312), (6052, 34620), (6924, 30260), (7120, 29427), (7565, 27696), (8655, 24208), (9078, 23080), (9232, 22695), (9809, 21360), (10680, 19618), (11540, 18156), (12104, 17310), (13848, 15130)]