127500520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:483

約数の個数: 128

約数和(自身を含む): 348456960

約数和(自身を除く): 220956440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 124, 140, 148, 155, 185, 217, 248, 259, 280, 296, 310, 370, 397, 434, 518, 620, 740, 794, 868, 1036, 1085, 1147, 1240, 1295, 1480, 1588, 1736, 1985, 2072, 2170, 2294, 2590, 2779, 3176, 3970, 4340, 4588, 5180, 5558, 5735, 7940, 8029, 8680, 9176, 10360, 11116, 11470, 12307, 13895, 14689, 15880, 16058, 22232, 22940, 24614, 27790, 29378, 32116, 40145, 45880, 49228, 55580, 58756, 61535, 64232, 73445, 80290, 86149, 98456, 102823, 111160, 117512, 123070, 146890, 160580, 172298, 205646, 246140, 293780, 321160, 344596, 411292, 430745, 455359, 492280, 514115, 587560, 689192, 822584, 861490, 910718, 1028230, 1722980, 1821436, 2056460, 2276795, 3187513, 3445960, 3642872, 4112920, 4553590, 6375026, 9107180, 12750052, 15937565, 18214360, 25500104, 31875130, 63750260, 127500520]

約数ペア:

[(1, 127500520), (2, 63750260), (4, 31875130), (5, 25500104), (7, 18214360), (8, 15937565), (10, 12750052), (14, 9107180), (20, 6375026), (28, 4553590), (31, 4112920), (35, 3642872), (37, 3445960), (40, 3187513), (56, 2276795), (62, 2056460), (70, 1821436), (74, 1722980), (124, 1028230), (140, 910718), (148, 861490), (155, 822584), (185, 689192), (217, 587560), (248, 514115), (259, 492280), (280, 455359), (296, 430745), (310, 411292), (370, 344596), (397, 321160), (434, 293780), (518, 246140), (620, 205646), (740, 172298), (794, 160580), (868, 146890), (1036, 123070), (1085, 117512), (1147, 111160), (1240, 102823), (1295, 98456), (1480, 86149), (1588, 80290), (1736, 73445), (1985, 64232), (2072, 61535), (2170, 58756), (2294, 55580), (2590, 49228), (2779, 45880), (3176, 40145), (3970, 32116), (4340, 29378), (4588, 27790), (5180, 24614), (5558, 22940), (5735, 22232), (7940, 16058), (8029, 15880), (8680, 14689), (9176, 13895), (10360, 12307), (11116, 11470)]