1295427720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{4783}}^1$

素因数の和:4895

約数の個数: 128

約数和(自身を含む): 4057597440

約数和(自身を除く): 2762169720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 61, 74, 111, 120, 122, 148, 183, 185, 222, 244, 296, 305, 366, 370, 444, 488, 555, 610, 732, 740, 888, 915, 1110, 1220, 1464, 1480, 1830, 2220, 2257, 2440, 3660, 4440, 4514, 4783, 6771, 7320, 9028, 9566, 11285, 13542, 14349, 18056, 19132, 22570, 23915, 27084, 28698, 33855, 38264, 45140, 47830, 54168, 57396, 67710, 71745, 90280, 95660, 114792, 135420, 143490, 176971, 191320, 270840, 286980, 291763, 353942, 530913, 573960, 583526, 707884, 875289, 884855, 1061826, 1167052, 1415768, 1458815, 1750578, 1769710, 2123652, 2334104, 2654565, 2917630, 3501156, 3539420, 4247304, 4376445, 5309130, 5835260, 7002312, 7078840, 8752890, 10618260, 10795231, 11670520, 17505780, 21236520, 21590462, 32385693, 35011560, 43180924, 53976155, 64771386, 86361848, 107952310, 129542772, 161928465, 215904620, 259085544, 323856930, 431809240, 647713860, 1295427720]

約数ペア:

[(1, 1295427720), (2, 647713860), (3, 431809240), (4, 323856930), (5, 259085544), (6, 215904620), (8, 161928465), (10, 129542772), (12, 107952310), (15, 86361848), (20, 64771386), (24, 53976155), (30, 43180924), (37, 35011560), (40, 32385693), (60, 21590462), (61, 21236520), (74, 17505780), (111, 11670520), (120, 10795231), (122, 10618260), (148, 8752890), (183, 7078840), (185, 7002312), (222, 5835260), (244, 5309130), (296, 4376445), (305, 4247304), (366, 3539420), (370, 3501156), (444, 2917630), (488, 2654565), (555, 2334104), (610, 2123652), (732, 1769710), (740, 1750578), (888, 1458815), (915, 1415768), (1110, 1167052), (1220, 1061826), (1464, 884855), (1480, 875289), (1830, 707884), (2220, 583526), (2257, 573960), (2440, 530913), (3660, 353942), (4440, 291763), (4514, 286980), (4783, 270840), (6771, 191320), (7320, 176971), (9028, 143490), (9566, 135420), (11285, 114792), (13542, 95660), (14349, 90280), (18056, 71745), (19132, 67710), (22570, 57396), (23915, 54168), (27084, 47830), (28698, 45140), (33855, 38264)]