215750400

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:707

約数の個数: 216

約数和(自身を含む): 755045424

約数和(自身を除く): 539295024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 64, 68, 75, 80, 85, 96, 100, 102, 120, 128, 136, 150, 160, 170, 192, 200, 204, 240, 255, 256, 272, 300, 320, 340, 384, 400, 408, 425, 480, 510, 544, 600, 640, 661, 680, 768, 800, 816, 850, 960, 1020, 1088, 1200, 1275, 1280, 1322, 1360, 1600, 1632, 1700, 1920, 1983, 2040, 2176, 2400, 2550, 2644, 2720, 3200, 3264, 3305, 3400, 3840, 3966, 4080, 4352, 4800, 5100, 5288, 5440, 6400, 6528, 6610, 6800, 7932, 8160, 9600, 9915, 10200, 10576, 10880, 11237, 13056, 13220, 13600, 15864, 16320, 16525, 19200, 19830, 20400, 21152, 21760, 22474, 26440, 27200, 31728, 32640, 33050, 33711, 39660, 40800, 42304, 44948, 49575, 52880, 54400, 56185, 63456, 65280, 66100, 67422, 79320, 81600, 84608, 89896, 99150, 105760, 108800, 112370, 126912, 132200, 134844, 158640, 163200, 168555, 169216, 179792, 198300, 211520, 224740, 253824, 264400, 269688, 280925, 317280, 326400, 337110, 359584, 396600, 423040, 449480, 507648, 528800, 539376, 561850, 634560, 674220, 719168, 793200, 842775, 846080, 898960, 1057600, 1078752, 1123700, 1269120, 1348440, 1438336, 1586400, 1685550, 1797920, 2115200, 2157504, 2247400, 2538240, 2696880, 2876672, 3172800, 3371100, 3595840, 4230400, 4315008, 4494800, 5393760, 6345600, 6742200, 7191680, 8630016, 8989600, 10787520, 12691200, 13484400, 14383360, 17979200, 21575040, 26968800, 35958400, 43150080, 53937600, 71916800, 107875200, 215750400]

約数ペア:

[(1, 215750400), (2, 107875200), (3, 71916800), (4, 53937600), (5, 43150080), (6, 35958400), (8, 26968800), (10, 21575040), (12, 17979200), (15, 14383360), (16, 13484400), (17, 12691200), (20, 10787520), (24, 8989600), (25, 8630016), (30, 7191680), (32, 6742200), (34, 6345600), (40, 5393760), (48, 4494800), (50, 4315008), (51, 4230400), (60, 3595840), (64, 3371100), (68, 3172800), (75, 2876672), (80, 2696880), (85, 2538240), (96, 2247400), (100, 2157504), (102, 2115200), (120, 1797920), (128, 1685550), (136, 1586400), (150, 1438336), (160, 1348440), (170, 1269120), (192, 1123700), (200, 1078752), (204, 1057600), (240, 898960), (255, 846080), (256, 842775), (272, 793200), (300, 719168), (320, 674220), (340, 634560), (384, 561850), (400, 539376), (408, 528800), (425, 507648), (480, 449480), (510, 423040), (544, 396600), (600, 359584), (640, 337110), (661, 326400), (680, 317280), (768, 280925), (800, 269688), (816, 264400), (850, 253824), (960, 224740), (1020, 211520), (1088, 198300), (1200, 179792), (1275, 169216), (1280, 168555), (1322, 163200), (1360, 158640), (1600, 134844), (1632, 132200), (1700, 126912), (1920, 112370), (1983, 108800), (2040, 105760), (2176, 99150), (2400, 89896), (2550, 84608), (2644, 81600), (2720, 79320), (3200, 67422), (3264, 66100), (3305, 65280), (3400, 63456), (3840, 56185), (3966, 54400), (4080, 52880), (4352, 49575), (4800, 44948), (5100, 42304), (5288, 40800), (5440, 39660), (6400, 33711), (6528, 33050), (6610, 32640), (6800, 31728), (7932, 27200), (8160, 26440), (9600, 22474), (9915, 21760), (10200, 21152), (10576, 20400), (10880, 19830), (11237, 19200), (13056, 16525), (13220, 16320), (13600, 15864)]