1561036000

素因数分解:

$2^5\times 5^3\times {\mathrm{31}}^1\times {\mathrm{12589}}^1$

素因数の和:12645

約数の個数: 96

約数和(自身を含む): 3959504640

約数和(自身を除く): 2398468640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 400, 496, 500, 620, 775, 800, 992, 1000, 1240, 1550, 2000, 2480, 3100, 3875, 4000, 4960, 6200, 7750, 12400, 12589, 15500, 24800, 25178, 31000, 50356, 62000, 62945, 100712, 124000, 125890, 201424, 251780, 314725, 390259, 402848, 503560, 629450, 780518, 1007120, 1258900, 1561036, 1573625, 1951295, 2014240, 2517800, 3122072, 3147250, 3902590, 5035600, 6244144, 6294500, 7805180, 9756475, 10071200, 12488288, 12589000, 15610360, 19512950, 25178000, 31220720, 39025900, 48782375, 50356000, 62441440, 78051800, 97564750, 156103600, 195129500, 312207200, 390259000, 780518000, 1561036000]

約数ペア:

[(1, 1561036000), (2, 780518000), (4, 390259000), (5, 312207200), (8, 195129500), (10, 156103600), (16, 97564750), (20, 78051800), (25, 62441440), (31, 50356000), (32, 48782375), (40, 39025900), (50, 31220720), (62, 25178000), (80, 19512950), (100, 15610360), (124, 12589000), (125, 12488288), (155, 10071200), (160, 9756475), (200, 7805180), (248, 6294500), (250, 6244144), (310, 5035600), (400, 3902590), (496, 3147250), (500, 3122072), (620, 2517800), (775, 2014240), (800, 1951295), (992, 1573625), (1000, 1561036), (1240, 1258900), (1550, 1007120), (2000, 780518), (2480, 629450), (3100, 503560), (3875, 402848), (4000, 390259), (4960, 314725), (6200, 251780), (7750, 201424), (12400, 125890), (12589, 124000), (15500, 100712), (24800, 62945), (25178, 62000), (31000, 50356)]