42609990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 116328960

約数和(自身を除く): 73718970

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 29, 30, 34, 43, 51, 58, 67, 85, 86, 87, 102, 129, 134, 145, 170, 174, 201, 215, 255, 258, 290, 335, 402, 430, 435, 493, 510, 645, 670, 731, 870, 986, 1005, 1139, 1247, 1290, 1462, 1479, 1943, 2010, 2193, 2278, 2465, 2494, 2881, 2958, 3417, 3655, 3741, 3886, 4386, 4930, 5695, 5762, 5829, 6235, 6834, 7310, 7395, 7482, 8643, 9715, 10965, 11390, 11658, 12470, 14405, 14790, 17085, 17286, 18705, 19430, 21199, 21930, 28810, 29145, 33031, 34170, 37410, 42398, 43215, 48977, 58290, 63597, 66062, 83549, 86430, 97954, 99093, 105995, 127194, 146931, 165155, 167098, 198186, 211990, 244885, 250647, 293862, 317985, 330310, 417745, 489770, 495465, 501294, 635970, 734655, 835490, 990930, 1253235, 1420333, 1469310, 2506470, 2840666, 4260999, 7101665, 8521998, 14203330, 21304995, 42609990]

約数ペア:

[(1, 42609990), (2, 21304995), (3, 14203330), (5, 8521998), (6, 7101665), (10, 4260999), (15, 2840666), (17, 2506470), (29, 1469310), (30, 1420333), (34, 1253235), (43, 990930), (51, 835490), (58, 734655), (67, 635970), (85, 501294), (86, 495465), (87, 489770), (102, 417745), (129, 330310), (134, 317985), (145, 293862), (170, 250647), (174, 244885), (201, 211990), (215, 198186), (255, 167098), (258, 165155), (290, 146931), (335, 127194), (402, 105995), (430, 99093), (435, 97954), (493, 86430), (510, 83549), (645, 66062), (670, 63597), (731, 58290), (870, 48977), (986, 43215), (1005, 42398), (1139, 37410), (1247, 34170), (1290, 33031), (1462, 29145), (1479, 28810), (1943, 21930), (2010, 21199), (2193, 19430), (2278, 18705), (2465, 17286), (2494, 17085), (2881, 14790), (2958, 14405), (3417, 12470), (3655, 11658), (3741, 11390), (3886, 10965), (4386, 9715), (4930, 8643), (5695, 7482), (5762, 7395), (5829, 7310), (6235, 6834)]