51371280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1399}}^1$

素因数の和:1438

約数の個数: 160

約数和(自身を含む): 187488000

約数和(自身を除く): 136116720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 102, 108, 120, 135, 136, 144, 153, 170, 180, 204, 216, 240, 255, 270, 272, 306, 340, 360, 408, 432, 459, 510, 540, 612, 680, 720, 765, 816, 918, 1020, 1080, 1224, 1360, 1399, 1530, 1836, 2040, 2160, 2295, 2448, 2798, 3060, 3672, 4080, 4197, 4590, 5596, 6120, 6995, 7344, 8394, 9180, 11192, 12240, 12591, 13990, 16788, 18360, 20985, 22384, 23783, 25182, 27980, 33576, 36720, 37773, 41970, 47566, 50364, 55960, 62955, 67152, 71349, 75546, 83940, 95132, 100728, 111920, 118915, 125910, 142698, 151092, 167880, 188865, 190264, 201456, 214047, 237830, 251820, 285396, 302184, 335760, 356745, 377730, 380528, 428094, 475660, 503640, 570792, 604368, 642141, 713490, 755460, 856188, 951320, 1007280, 1070235, 1141584, 1284282, 1426980, 1510920, 1712376, 1902640, 2140470, 2568564, 2853960, 3021840, 3210705, 3424752, 4280940, 5137128, 5707920, 6421410, 8561880, 10274256, 12842820, 17123760, 25685640, 51371280]

約数ペア:

[(1, 51371280), (2, 25685640), (3, 17123760), (4, 12842820), (5, 10274256), (6, 8561880), (8, 6421410), (9, 5707920), (10, 5137128), (12, 4280940), (15, 3424752), (16, 3210705), (17, 3021840), (18, 2853960), (20, 2568564), (24, 2140470), (27, 1902640), (30, 1712376), (34, 1510920), (36, 1426980), (40, 1284282), (45, 1141584), (48, 1070235), (51, 1007280), (54, 951320), (60, 856188), (68, 755460), (72, 713490), (80, 642141), (85, 604368), (90, 570792), (102, 503640), (108, 475660), (120, 428094), (135, 380528), (136, 377730), (144, 356745), (153, 335760), (170, 302184), (180, 285396), (204, 251820), (216, 237830), (240, 214047), (255, 201456), (270, 190264), (272, 188865), (306, 167880), (340, 151092), (360, 142698), (408, 125910), (432, 118915), (459, 111920), (510, 100728), (540, 95132), (612, 83940), (680, 75546), (720, 71349), (765, 67152), (816, 62955), (918, 55960), (1020, 50364), (1080, 47566), (1224, 41970), (1360, 37773), (1399, 36720), (1530, 33576), (1836, 27980), (2040, 25182), (2160, 23783), (2295, 22384), (2448, 20985), (2798, 18360), (3060, 16788), (3672, 13990), (4080, 12591), (4197, 12240), (4590, 11192), (5596, 9180), (6120, 8394), (6995, 7344)]