81457050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 210754368

約数和(自身を除く): 129297318

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 73, 75, 86, 129, 146, 150, 173, 215, 219, 258, 346, 365, 430, 438, 519, 645, 730, 865, 1038, 1075, 1095, 1290, 1730, 1825, 2150, 2190, 2595, 3139, 3225, 3650, 4325, 5190, 5475, 6278, 6450, 7439, 8650, 9417, 10950, 12629, 12975, 14878, 15695, 18834, 22317, 25258, 25950, 31390, 37195, 37887, 44634, 47085, 63145, 74390, 75774, 78475, 94170, 111585, 126290, 156950, 185975, 189435, 223170, 235425, 315725, 371950, 378870, 470850, 543047, 557925, 631450, 947175, 1086094, 1115850, 1629141, 1894350, 2715235, 3258282, 5430470, 8145705, 13576175, 16291410, 27152350, 40728525, 81457050]

約数ペア:

[(1, 81457050), (2, 40728525), (3, 27152350), (5, 16291410), (6, 13576175), (10, 8145705), (15, 5430470), (25, 3258282), (30, 2715235), (43, 1894350), (50, 1629141), (73, 1115850), (75, 1086094), (86, 947175), (129, 631450), (146, 557925), (150, 543047), (173, 470850), (215, 378870), (219, 371950), (258, 315725), (346, 235425), (365, 223170), (430, 189435), (438, 185975), (519, 156950), (645, 126290), (730, 111585), (865, 94170), (1038, 78475), (1075, 75774), (1095, 74390), (1290, 63145), (1730, 47085), (1825, 44634), (2150, 37887), (2190, 37195), (2595, 31390), (3139, 25950), (3225, 25258), (3650, 22317), (4325, 18834), (5190, 15695), (5475, 14878), (6278, 12975), (6450, 12629), (7439, 10950), (8650, 9417)]