47887980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:408

約数の個数: 192

約数和(自身を含む): 171279360

約数和(自身を除く): 123391380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 28, 30, 34, 35, 38, 42, 51, 57, 60, 68, 70, 76, 84, 85, 95, 102, 105, 114, 119, 133, 140, 170, 190, 204, 210, 228, 238, 255, 266, 285, 323, 340, 353, 357, 380, 399, 420, 476, 510, 532, 570, 595, 646, 665, 706, 714, 798, 969, 1020, 1059, 1140, 1190, 1292, 1330, 1412, 1428, 1596, 1615, 1765, 1785, 1938, 1995, 2118, 2261, 2380, 2471, 2660, 3230, 3530, 3570, 3876, 3990, 4236, 4522, 4845, 4942, 5295, 6001, 6460, 6707, 6783, 7060, 7140, 7413, 7980, 9044, 9690, 9884, 10590, 11305, 12002, 12355, 13414, 13566, 14826, 18003, 19380, 20121, 21180, 22610, 24004, 24710, 26828, 27132, 29652, 30005, 33535, 33915, 36006, 37065, 40242, 42007, 45220, 46949, 49420, 60010, 67070, 67830, 72012, 74130, 80484, 84014, 90015, 93898, 100605, 114019, 120020, 126021, 134140, 135660, 140847, 148260, 168028, 180030, 187796, 201210, 210035, 228038, 234745, 252042, 281694, 342057, 360060, 402420, 420070, 456076, 469490, 504084, 563388, 570095, 630105, 684114, 704235, 798133, 840140, 938980, 1140190, 1260210, 1368228, 1408470, 1596266, 1710285, 2280380, 2394399, 2520420, 2816940, 3192532, 3420570, 3990665, 4788798, 6841140, 7981330, 9577596, 11971995, 15962660, 23943990, 47887980]

約数ペア:

[(1, 47887980), (2, 23943990), (3, 15962660), (4, 11971995), (5, 9577596), (6, 7981330), (7, 6841140), (10, 4788798), (12, 3990665), (14, 3420570), (15, 3192532), (17, 2816940), (19, 2520420), (20, 2394399), (21, 2280380), (28, 1710285), (30, 1596266), (34, 1408470), (35, 1368228), (38, 1260210), (42, 1140190), (51, 938980), (57, 840140), (60, 798133), (68, 704235), (70, 684114), (76, 630105), (84, 570095), (85, 563388), (95, 504084), (102, 469490), (105, 456076), (114, 420070), (119, 402420), (133, 360060), (140, 342057), (170, 281694), (190, 252042), (204, 234745), (210, 228038), (228, 210035), (238, 201210), (255, 187796), (266, 180030), (285, 168028), (323, 148260), (340, 140847), (353, 135660), (357, 134140), (380, 126021), (399, 120020), (420, 114019), (476, 100605), (510, 93898), (532, 90015), (570, 84014), (595, 80484), (646, 74130), (665, 72012), (706, 67830), (714, 67070), (798, 60010), (969, 49420), (1020, 46949), (1059, 45220), (1140, 42007), (1190, 40242), (1292, 37065), (1330, 36006), (1412, 33915), (1428, 33535), (1596, 30005), (1615, 29652), (1765, 27132), (1785, 26828), (1938, 24710), (1995, 24004), (2118, 22610), (2261, 21180), (2380, 20121), (2471, 19380), (2660, 18003), (3230, 14826), (3530, 13566), (3570, 13414), (3876, 12355), (3990, 12002), (4236, 11305), (4522, 10590), (4845, 9884), (4942, 9690), (5295, 9044), (6001, 7980), (6460, 7413), (6707, 7140), (6783, 7060)]