20162400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:325

約数の個数: 144

約数和(自身を含む): 67995648

約数和(自身を除く): 47833248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 48, 50, 60, 62, 75, 80, 93, 96, 100, 120, 124, 150, 155, 160, 186, 200, 240, 248, 271, 300, 310, 372, 400, 465, 480, 496, 542, 600, 620, 744, 775, 800, 813, 930, 992, 1084, 1200, 1240, 1355, 1488, 1550, 1626, 1860, 2168, 2325, 2400, 2480, 2710, 2976, 3100, 3252, 3720, 4065, 4336, 4650, 4960, 5420, 6200, 6504, 6775, 7440, 8130, 8401, 8672, 9300, 10840, 12400, 13008, 13550, 14880, 16260, 16802, 18600, 20325, 21680, 24800, 25203, 26016, 27100, 32520, 33604, 37200, 40650, 42005, 43360, 50406, 54200, 65040, 67208, 74400, 81300, 84010, 100812, 108400, 126015, 130080, 134416, 162600, 168020, 201624, 210025, 216800, 252030, 268832, 325200, 336040, 403248, 420050, 504060, 630075, 650400, 672080, 806496, 840100, 1008120, 1260150, 1344160, 1680200, 2016240, 2520300, 3360400, 4032480, 5040600, 6720800, 10081200, 20162400]

約数ペア:

[(1, 20162400), (2, 10081200), (3, 6720800), (4, 5040600), (5, 4032480), (6, 3360400), (8, 2520300), (10, 2016240), (12, 1680200), (15, 1344160), (16, 1260150), (20, 1008120), (24, 840100), (25, 806496), (30, 672080), (31, 650400), (32, 630075), (40, 504060), (48, 420050), (50, 403248), (60, 336040), (62, 325200), (75, 268832), (80, 252030), (93, 216800), (96, 210025), (100, 201624), (120, 168020), (124, 162600), (150, 134416), (155, 130080), (160, 126015), (186, 108400), (200, 100812), (240, 84010), (248, 81300), (271, 74400), (300, 67208), (310, 65040), (372, 54200), (400, 50406), (465, 43360), (480, 42005), (496, 40650), (542, 37200), (600, 33604), (620, 32520), (744, 27100), (775, 26016), (800, 25203), (813, 24800), (930, 21680), (992, 20325), (1084, 18600), (1200, 16802), (1240, 16260), (1355, 14880), (1488, 13550), (1550, 13008), (1626, 12400), (1860, 10840), (2168, 9300), (2325, 8672), (2400, 8401), (2480, 8130), (2710, 7440), (2976, 6775), (3100, 6504), (3252, 6200), (3720, 5420), (4065, 4960), (4336, 4650)]