205061880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 632217600

約数和(自身を除く): 427155720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 97, 120, 158, 194, 223, 237, 291, 316, 388, 395, 446, 474, 485, 582, 632, 669, 776, 790, 892, 948, 970, 1115, 1164, 1185, 1338, 1455, 1580, 1784, 1896, 1940, 2230, 2328, 2370, 2676, 2910, 3160, 3345, 3880, 4460, 4740, 5352, 5820, 6690, 7663, 8920, 9480, 11640, 13380, 15326, 17617, 21631, 22989, 26760, 30652, 35234, 38315, 43262, 45978, 52851, 61304, 64893, 70468, 76630, 86524, 88085, 91956, 105702, 108155, 114945, 129786, 140936, 153260, 173048, 176170, 183912, 211404, 216310, 229890, 259572, 264255, 306520, 324465, 352340, 422808, 432620, 459780, 519144, 528510, 648930, 704680, 865240, 919560, 1057020, 1297860, 1708849, 2114040, 2595720, 3417698, 5126547, 6835396, 8544245, 10253094, 13670792, 17088490, 20506188, 25632735, 34176980, 41012376, 51265470, 68353960, 102530940, 205061880]

約数ペア:

[(1, 205061880), (2, 102530940), (3, 68353960), (4, 51265470), (5, 41012376), (6, 34176980), (8, 25632735), (10, 20506188), (12, 17088490), (15, 13670792), (20, 10253094), (24, 8544245), (30, 6835396), (40, 5126547), (60, 3417698), (79, 2595720), (97, 2114040), (120, 1708849), (158, 1297860), (194, 1057020), (223, 919560), (237, 865240), (291, 704680), (316, 648930), (388, 528510), (395, 519144), (446, 459780), (474, 432620), (485, 422808), (582, 352340), (632, 324465), (669, 306520), (776, 264255), (790, 259572), (892, 229890), (948, 216310), (970, 211404), (1115, 183912), (1164, 176170), (1185, 173048), (1338, 153260), (1455, 140936), (1580, 129786), (1784, 114945), (1896, 108155), (1940, 105702), (2230, 91956), (2328, 88085), (2370, 86524), (2676, 76630), (2910, 70468), (3160, 64893), (3345, 61304), (3880, 52851), (4460, 45978), (4740, 43262), (5352, 38315), (5820, 35234), (6690, 30652), (7663, 26760), (8920, 22989), (9480, 21631), (11640, 17617), (13380, 15326)]