1277778720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71947}}^1$

素因数の和:72002

約数の個数: 96

約数和(自身を含む): 4133844288

約数和(自身を除く): 2856065568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 74, 80, 96, 111, 120, 148, 160, 185, 222, 240, 296, 370, 444, 480, 555, 592, 740, 888, 1110, 1184, 1480, 1776, 2220, 2960, 3552, 4440, 5920, 8880, 17760, 71947, 143894, 215841, 287788, 359735, 431682, 575576, 719470, 863364, 1079205, 1151152, 1438940, 1726728, 2158410, 2302304, 2662039, 2877880, 3453456, 4316820, 5324078, 5755760, 6906912, 7986117, 8633640, 10648156, 11511520, 13310195, 15972234, 17267280, 21296312, 26620390, 31944468, 34534560, 39930585, 42592624, 53240780, 63888936, 79861170, 85185248, 106481560, 127777872, 159722340, 212963120, 255555744, 319444680, 425926240, 638889360, 1277778720]

約数ペア:

[(1, 1277778720), (2, 638889360), (3, 425926240), (4, 319444680), (5, 255555744), (6, 212963120), (8, 159722340), (10, 127777872), (12, 106481560), (15, 85185248), (16, 79861170), (20, 63888936), (24, 53240780), (30, 42592624), (32, 39930585), (37, 34534560), (40, 31944468), (48, 26620390), (60, 21296312), (74, 17267280), (80, 15972234), (96, 13310195), (111, 11511520), (120, 10648156), (148, 8633640), (160, 7986117), (185, 6906912), (222, 5755760), (240, 5324078), (296, 4316820), (370, 3453456), (444, 2877880), (480, 2662039), (555, 2302304), (592, 2158410), (740, 1726728), (888, 1438940), (1110, 1151152), (1184, 1079205), (1480, 863364), (1776, 719470), (2220, 575576), (2960, 431682), (3552, 359735), (4440, 287788), (5920, 215841), (8880, 143894), (17760, 71947)]