31228320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 192

約数和(自身を含む): 107775360

約数和(自身を除く): 76547040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 43, 48, 51, 60, 68, 80, 85, 86, 89, 96, 102, 120, 129, 136, 160, 170, 172, 178, 204, 215, 240, 255, 258, 267, 272, 340, 344, 356, 408, 430, 445, 480, 510, 516, 534, 544, 645, 680, 688, 712, 731, 816, 860, 890, 1020, 1032, 1068, 1290, 1335, 1360, 1376, 1424, 1462, 1513, 1632, 1720, 1780, 2040, 2064, 2136, 2193, 2580, 2670, 2720, 2848, 2924, 3026, 3440, 3560, 3655, 3827, 4080, 4128, 4272, 4386, 4539, 5160, 5340, 5848, 6052, 6880, 7120, 7310, 7565, 7654, 8160, 8544, 8772, 9078, 10320, 10680, 10965, 11481, 11696, 12104, 14240, 14620, 15130, 15308, 17544, 18156, 19135, 20640, 21360, 21930, 22695, 22962, 23392, 24208, 29240, 30260, 30616, 35088, 36312, 38270, 42720, 43860, 45390, 45924, 48416, 57405, 58480, 60520, 61232, 65059, 70176, 72624, 76540, 87720, 90780, 91848, 114810, 116960, 121040, 122464, 130118, 145248, 153080, 175440, 181560, 183696, 195177, 229620, 242080, 260236, 306160, 325295, 350880, 363120, 367392, 390354, 459240, 520472, 612320, 650590, 726240, 780708, 918480, 975885, 1040944, 1301180, 1561416, 1836960, 1951770, 2081888, 2602360, 3122832, 3903540, 5204720, 6245664, 7807080, 10409440, 15614160, 31228320]

約数ペア:

[(1, 31228320), (2, 15614160), (3, 10409440), (4, 7807080), (5, 6245664), (6, 5204720), (8, 3903540), (10, 3122832), (12, 2602360), (15, 2081888), (16, 1951770), (17, 1836960), (20, 1561416), (24, 1301180), (30, 1040944), (32, 975885), (34, 918480), (40, 780708), (43, 726240), (48, 650590), (51, 612320), (60, 520472), (68, 459240), (80, 390354), (85, 367392), (86, 363120), (89, 350880), (96, 325295), (102, 306160), (120, 260236), (129, 242080), (136, 229620), (160, 195177), (170, 183696), (172, 181560), (178, 175440), (204, 153080), (215, 145248), (240, 130118), (255, 122464), (258, 121040), (267, 116960), (272, 114810), (340, 91848), (344, 90780), (356, 87720), (408, 76540), (430, 72624), (445, 70176), (480, 65059), (510, 61232), (516, 60520), (534, 58480), (544, 57405), (645, 48416), (680, 45924), (688, 45390), (712, 43860), (731, 42720), (816, 38270), (860, 36312), (890, 35088), (1020, 30616), (1032, 30260), (1068, 29240), (1290, 24208), (1335, 23392), (1360, 22962), (1376, 22695), (1424, 21930), (1462, 21360), (1513, 20640), (1632, 19135), (1720, 18156), (1780, 17544), (2040, 15308), (2064, 15130), (2136, 14620), (2193, 14240), (2580, 12104), (2670, 11696), (2720, 11481), (2848, 10965), (2924, 10680), (3026, 10320), (3440, 9078), (3560, 8772), (3655, 8544), (3827, 8160), (4080, 7654), (4128, 7565), (4272, 7310), (4386, 7120), (4539, 6880), (5160, 6052), (5340, 5848)]