161274400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{929}}^1$

素因数の和:987

約数の個数: 144

約数和(自身を含む): 464970240

約数和(自身を除く): 303695840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 175, 200, 217, 224, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 800, 868, 929, 992, 1085, 1120, 1240, 1400, 1550, 1736, 1858, 2170, 2480, 2800, 3100, 3472, 3716, 4340, 4645, 4960, 5425, 5600, 6200, 6503, 6944, 7432, 8680, 9290, 10850, 12400, 13006, 14864, 17360, 18580, 21700, 23225, 24800, 26012, 28799, 29728, 32515, 34720, 37160, 43400, 46450, 52024, 57598, 65030, 74320, 86800, 92900, 104048, 115196, 130060, 143995, 148640, 162575, 173600, 185800, 201593, 208096, 230392, 260120, 287990, 325150, 371600, 403186, 460784, 520240, 575980, 650300, 719975, 743200, 806372, 921568, 1007965, 1040480, 1151960, 1300600, 1439950, 1612744, 2015930, 2303920, 2601200, 2879900, 3225488, 4031860, 4607840, 5039825, 5202400, 5759800, 6450976, 8063720, 10079650, 11519600, 16127440, 20159300, 23039200, 32254880, 40318600, 80637200, 161274400]

約数ペア:

[(1, 161274400), (2, 80637200), (4, 40318600), (5, 32254880), (7, 23039200), (8, 20159300), (10, 16127440), (14, 11519600), (16, 10079650), (20, 8063720), (25, 6450976), (28, 5759800), (31, 5202400), (32, 5039825), (35, 4607840), (40, 4031860), (50, 3225488), (56, 2879900), (62, 2601200), (70, 2303920), (80, 2015930), (100, 1612744), (112, 1439950), (124, 1300600), (140, 1151960), (155, 1040480), (160, 1007965), (175, 921568), (200, 806372), (217, 743200), (224, 719975), (248, 650300), (280, 575980), (310, 520240), (350, 460784), (400, 403186), (434, 371600), (496, 325150), (560, 287990), (620, 260120), (700, 230392), (775, 208096), (800, 201593), (868, 185800), (929, 173600), (992, 162575), (1085, 148640), (1120, 143995), (1240, 130060), (1400, 115196), (1550, 104048), (1736, 92900), (1858, 86800), (2170, 74320), (2480, 65030), (2800, 57598), (3100, 52024), (3472, 46450), (3716, 43400), (4340, 37160), (4645, 34720), (4960, 32515), (5425, 29728), (5600, 28799), (6200, 26012), (6503, 24800), (6944, 23225), (7432, 21700), (8680, 18580), (9290, 17360), (10850, 14864), (12400, 13006)]