80376800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:521

約数の個数: 144

約数和(自身を含む): 231985152

約数和(自身を除く): 151608352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 175, 200, 217, 224, 248, 280, 310, 350, 400, 434, 463, 496, 560, 620, 700, 775, 800, 868, 926, 992, 1085, 1120, 1240, 1400, 1550, 1736, 1852, 2170, 2315, 2480, 2800, 3100, 3241, 3472, 3704, 4340, 4630, 4960, 5425, 5600, 6200, 6482, 6944, 7408, 8680, 9260, 10850, 11575, 12400, 12964, 14353, 14816, 16205, 17360, 18520, 21700, 23150, 24800, 25928, 28706, 32410, 34720, 37040, 43400, 46300, 51856, 57412, 64820, 71765, 74080, 81025, 86800, 92600, 100471, 103712, 114824, 129640, 143530, 162050, 173600, 185200, 200942, 229648, 259280, 287060, 324100, 358825, 370400, 401884, 459296, 502355, 518560, 574120, 648200, 717650, 803768, 1004710, 1148240, 1296400, 1435300, 1607536, 2009420, 2296480, 2511775, 2592800, 2870600, 3215072, 4018840, 5023550, 5741200, 8037680, 10047100, 11482400, 16075360, 20094200, 40188400, 80376800]

約数ペア:

[(1, 80376800), (2, 40188400), (4, 20094200), (5, 16075360), (7, 11482400), (8, 10047100), (10, 8037680), (14, 5741200), (16, 5023550), (20, 4018840), (25, 3215072), (28, 2870600), (31, 2592800), (32, 2511775), (35, 2296480), (40, 2009420), (50, 1607536), (56, 1435300), (62, 1296400), (70, 1148240), (80, 1004710), (100, 803768), (112, 717650), (124, 648200), (140, 574120), (155, 518560), (160, 502355), (175, 459296), (200, 401884), (217, 370400), (224, 358825), (248, 324100), (280, 287060), (310, 259280), (350, 229648), (400, 200942), (434, 185200), (463, 173600), (496, 162050), (560, 143530), (620, 129640), (700, 114824), (775, 103712), (800, 100471), (868, 92600), (926, 86800), (992, 81025), (1085, 74080), (1120, 71765), (1240, 64820), (1400, 57412), (1550, 51856), (1736, 46300), (1852, 43400), (2170, 37040), (2315, 34720), (2480, 32410), (2800, 28706), (3100, 25928), (3241, 24800), (3472, 23150), (3704, 21700), (4340, 18520), (4630, 17360), (4960, 16205), (5425, 14816), (5600, 14353), (6200, 12964), (6482, 12400), (6944, 11575), (7408, 10850), (8680, 9260)]