220747280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:265

約数の個数: 160

約数和(自身を含む): 587962368

約数和(自身を除く): 367215088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 41, 52, 62, 65, 80, 82, 104, 124, 130, 155, 164, 167, 205, 208, 248, 260, 310, 328, 334, 403, 410, 496, 520, 533, 620, 656, 668, 806, 820, 835, 1040, 1066, 1240, 1271, 1336, 1612, 1640, 1670, 2015, 2132, 2171, 2480, 2542, 2665, 2672, 3224, 3280, 3340, 4030, 4264, 4342, 5084, 5177, 5330, 6355, 6448, 6680, 6847, 8060, 8528, 8684, 10168, 10354, 10660, 10855, 12710, 13360, 13694, 16120, 16523, 17368, 20336, 20708, 21320, 21710, 25420, 25885, 27388, 32240, 33046, 34235, 34736, 41416, 42640, 43420, 50840, 51770, 54776, 66092, 67301, 68470, 82615, 82832, 86840, 89011, 101680, 103540, 109552, 132184, 134602, 136940, 165230, 173680, 178022, 207080, 212257, 264368, 269204, 273880, 330460, 336505, 356044, 414160, 424514, 445055, 538408, 547760, 660920, 673010, 712088, 849028, 890110, 1061285, 1076816, 1321840, 1346020, 1424176, 1698056, 1780220, 2122570, 2692040, 2759341, 3396112, 3560440, 4245140, 5384080, 5518682, 7120880, 8490280, 11037364, 13796705, 16980560, 22074728, 27593410, 44149456, 55186820, 110373640, 220747280]

約数ペア:

[(1, 220747280), (2, 110373640), (4, 55186820), (5, 44149456), (8, 27593410), (10, 22074728), (13, 16980560), (16, 13796705), (20, 11037364), (26, 8490280), (31, 7120880), (40, 5518682), (41, 5384080), (52, 4245140), (62, 3560440), (65, 3396112), (80, 2759341), (82, 2692040), (104, 2122570), (124, 1780220), (130, 1698056), (155, 1424176), (164, 1346020), (167, 1321840), (205, 1076816), (208, 1061285), (248, 890110), (260, 849028), (310, 712088), (328, 673010), (334, 660920), (403, 547760), (410, 538408), (496, 445055), (520, 424514), (533, 414160), (620, 356044), (656, 336505), (668, 330460), (806, 273880), (820, 269204), (835, 264368), (1040, 212257), (1066, 207080), (1240, 178022), (1271, 173680), (1336, 165230), (1612, 136940), (1640, 134602), (1670, 132184), (2015, 109552), (2132, 103540), (2171, 101680), (2480, 89011), (2542, 86840), (2665, 82832), (2672, 82615), (3224, 68470), (3280, 67301), (3340, 66092), (4030, 54776), (4264, 51770), (4342, 50840), (5084, 43420), (5177, 42640), (5330, 41416), (6355, 34736), (6448, 34235), (6680, 33046), (6847, 32240), (8060, 27388), (8528, 25885), (8684, 25420), (10168, 21710), (10354, 21320), (10660, 20708), (10855, 20336), (12710, 17368), (13360, 16523), (13694, 16120)]