321132720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2539}}^1$

素因数の和:2603

約数の個数: 160

約数和(自身を含む): 1088501760

約数和(自身を除く): 767369040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 240, 248, 255, 272, 310, 340, 372, 408, 465, 496, 510, 527, 620, 680, 744, 816, 930, 1020, 1054, 1240, 1360, 1488, 1581, 1860, 2040, 2108, 2480, 2539, 2635, 3162, 3720, 4080, 4216, 5078, 5270, 6324, 7440, 7617, 7905, 8432, 10156, 10540, 12648, 12695, 15234, 15810, 20312, 21080, 25296, 25390, 30468, 31620, 38085, 40624, 42160, 43163, 50780, 60936, 63240, 76170, 78709, 86326, 101560, 121872, 126480, 129489, 152340, 157418, 172652, 203120, 215815, 236127, 258978, 304680, 314836, 345304, 393545, 431630, 472254, 517956, 609360, 629672, 647445, 690608, 787090, 863260, 944508, 1035912, 1180635, 1259344, 1294890, 1338053, 1574180, 1726520, 1889016, 2071824, 2361270, 2589780, 2676106, 3148360, 3453040, 3778032, 4014159, 4722540, 5179560, 5352212, 6296720, 6690265, 8028318, 9445080, 10359120, 10704424, 13380530, 16056636, 18890160, 20070795, 21408848, 26761060, 32113272, 40141590, 53522120, 64226544, 80283180, 107044240, 160566360, 321132720]

約数ペア:

[(1, 321132720), (2, 160566360), (3, 107044240), (4, 80283180), (5, 64226544), (6, 53522120), (8, 40141590), (10, 32113272), (12, 26761060), (15, 21408848), (16, 20070795), (17, 18890160), (20, 16056636), (24, 13380530), (30, 10704424), (31, 10359120), (34, 9445080), (40, 8028318), (48, 6690265), (51, 6296720), (60, 5352212), (62, 5179560), (68, 4722540), (80, 4014159), (85, 3778032), (93, 3453040), (102, 3148360), (120, 2676106), (124, 2589780), (136, 2361270), (155, 2071824), (170, 1889016), (186, 1726520), (204, 1574180), (240, 1338053), (248, 1294890), (255, 1259344), (272, 1180635), (310, 1035912), (340, 944508), (372, 863260), (408, 787090), (465, 690608), (496, 647445), (510, 629672), (527, 609360), (620, 517956), (680, 472254), (744, 431630), (816, 393545), (930, 345304), (1020, 314836), (1054, 304680), (1240, 258978), (1360, 236127), (1488, 215815), (1581, 203120), (1860, 172652), (2040, 157418), (2108, 152340), (2480, 129489), (2539, 126480), (2635, 121872), (3162, 101560), (3720, 86326), (4080, 78709), (4216, 76170), (5078, 63240), (5270, 60936), (6324, 50780), (7440, 43163), (7617, 42160), (7905, 40624), (8432, 38085), (10156, 31620), (10540, 30468), (12648, 25390), (12695, 25296), (15234, 21080), (15810, 20312)]