400123200

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2689}}^1$

素因数の和:2745

約数の個数: 168

約数和(自身を含む): 1355587840

約数和(自身を除く): 955464640

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, 64, 75, 80, 93, 96, 100, 120, 124, 150, 155, 160, 186, 192, 200, 240, 248, 300, 310, 320, 372, 400, 465, 480, 496, 600, 620, 744, 775, 800, 930, 960, 992, 1200, 1240, 1488, 1550, 1600, 1860, 1984, 2325, 2400, 2480, 2689, 2976, 3100, 3720, 4650, 4800, 4960, 5378, 5952, 6200, 7440, 8067, 9300, 9920, 10756, 12400, 13445, 14880, 16134, 18600, 21512, 24800, 26890, 29760, 32268, 37200, 40335, 43024, 49600, 53780, 64536, 67225, 74400, 80670, 83359, 86048, 107560, 129072, 134450, 148800, 161340, 166718, 172096, 201675, 215120, 250077, 258144, 268900, 322680, 333436, 403350, 416795, 430240, 500154, 516288, 537800, 645360, 666872, 806700, 833590, 860480, 1000308, 1075600, 1250385, 1290720, 1333744, 1613400, 1667180, 2000616, 2083975, 2151200, 2500770, 2581440, 2667488, 3226800, 3334360, 4001232, 4167950, 4302400, 5001540, 5334976, 6251925, 6453600, 6668720, 8002464, 8335900, 10003080, 12503850, 12907200, 13337440, 16004928, 16671800, 20006160, 25007700, 26674880, 33343600, 40012320, 50015400, 66687200, 80024640, 100030800, 133374400, 200061600, 400123200]

約数ペア:

[(1, 400123200), (2, 200061600), (3, 133374400), (4, 100030800), (5, 80024640), (6, 66687200), (8, 50015400), (10, 40012320), (12, 33343600), (15, 26674880), (16, 25007700), (20, 20006160), (24, 16671800), (25, 16004928), (30, 13337440), (31, 12907200), (32, 12503850), (40, 10003080), (48, 8335900), (50, 8002464), (60, 6668720), (62, 6453600), (64, 6251925), (75, 5334976), (80, 5001540), (93, 4302400), (96, 4167950), (100, 4001232), (120, 3334360), (124, 3226800), (150, 2667488), (155, 2581440), (160, 2500770), (186, 2151200), (192, 2083975), (200, 2000616), (240, 1667180), (248, 1613400), (300, 1333744), (310, 1290720), (320, 1250385), (372, 1075600), (400, 1000308), (465, 860480), (480, 833590), (496, 806700), (600, 666872), (620, 645360), (744, 537800), (775, 516288), (800, 500154), (930, 430240), (960, 416795), (992, 403350), (1200, 333436), (1240, 322680), (1488, 268900), (1550, 258144), (1600, 250077), (1860, 215120), (1984, 201675), (2325, 172096), (2400, 166718), (2480, 161340), (2689, 148800), (2976, 134450), (3100, 129072), (3720, 107560), (4650, 86048), (4800, 83359), (4960, 80670), (5378, 74400), (5952, 67225), (6200, 64536), (7440, 53780), (8067, 49600), (9300, 43024), (9920, 40335), (10756, 37200), (12400, 32268), (13445, 29760), (14880, 26890), (16134, 24800), (18600, 21512)]