19781567280

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{160669}}^1$

素因数の和:160713

約数の個数: 200

約数和(自身を含む): 72320780400

約数和(自身を除く): 52539213120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 144, 152, 162, 171, 180, 190, 216, 228, 240, 270, 285, 304, 324, 342, 360, 380, 405, 432, 456, 513, 540, 570, 648, 684, 720, 760, 810, 855, 912, 1026, 1080, 1140, 1296, 1368, 1520, 1539, 1620, 1710, 2052, 2160, 2280, 2565, 2736, 3078, 3240, 3420, 4104, 4560, 5130, 6156, 6480, 6840, 7695, 8208, 10260, 12312, 13680, 15390, 20520, 24624, 30780, 41040, 61560, 123120, 160669, 321338, 482007, 642676, 803345, 964014, 1285352, 1446021, 1606690, 1928028, 2410035, 2570704, 2892042, 3052711, 3213380, 3856056, 4338063, 4820070, 5784084, 6105422, 6426760, 7230105, 7712112, 8676126, 9158133, 9640140, 11568168, 12210844, 12853520, 13014189, 14460210, 15263555, 17352252, 18316266, 19280280, 21690315, 23136336, 24421688, 26028378, 27474399, 28920420, 30527110, 34704504, 36632532, 38560560, 43380630, 45790665, 48843376, 52056756, 54948798, 57840840, 61054220, 65070945, 69409008, 73265064, 82423197, 86761260, 91581330, 104113512, 109897596, 115681680, 122108440, 130141890, 137371995, 146530128, 164846394, 173522520, 183162660, 208227024, 219795192, 244216880, 247269591, 260283780, 274743990, 329692788, 347045040, 366325320, 412115985, 439590384, 494539182, 520567560, 549487980, 659385576, 732650640, 824231970, 989078364, 1041135120, 1098975960, 1236347955, 1318771152, 1648463940, 1978156728, 2197951920, 2472695910, 3296927880, 3956313456, 4945391820, 6593855760, 9890783640, 19781567280]

約数ペア:

[(1, 19781567280), (2, 9890783640), (3, 6593855760), (4, 4945391820), (5, 3956313456), (6, 3296927880), (8, 2472695910), (9, 2197951920), (10, 1978156728), (12, 1648463940), (15, 1318771152), (16, 1236347955), (18, 1098975960), (19, 1041135120), (20, 989078364), (24, 824231970), (27, 732650640), (30, 659385576), (36, 549487980), (38, 520567560), (40, 494539182), (45, 439590384), (48, 412115985), (54, 366325320), (57, 347045040), (60, 329692788), (72, 274743990), (76, 260283780), (80, 247269591), (81, 244216880), (90, 219795192), (95, 208227024), (108, 183162660), (114, 173522520), (120, 164846394), (135, 146530128), (144, 137371995), (152, 130141890), (162, 122108440), (171, 115681680), (180, 109897596), (190, 104113512), (216, 91581330), (228, 86761260), (240, 82423197), (270, 73265064), (285, 69409008), (304, 65070945), (324, 61054220), (342, 57840840), (360, 54948798), (380, 52056756), (405, 48843376), (432, 45790665), (456, 43380630), (513, 38560560), (540, 36632532), (570, 34704504), (648, 30527110), (684, 28920420), (720, 27474399), (760, 26028378), (810, 24421688), (855, 23136336), (912, 21690315), (1026, 19280280), (1080, 18316266), (1140, 17352252), (1296, 15263555), (1368, 14460210), (1520, 13014189), (1539, 12853520), (1620, 12210844), (1710, 11568168), (2052, 9640140), (2160, 9158133), (2280, 8676126), (2565, 7712112), (2736, 7230105), (3078, 6426760), (3240, 6105422), (3420, 5784084), (4104, 4820070), (4560, 4338063), (5130, 3856056), (6156, 3213380), (6480, 3052711), (6840, 2892042), (7695, 2570704), (8208, 2410035), (10260, 1928028), (12312, 1606690), (13680, 1446021), (15390, 1285352), (20520, 964014), (24624, 803345), (30780, 642676), (41040, 482007), (61560, 321338), (123120, 160669)]