1639730040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{2341}}^1$

素因数の和:2817

約数の個数: 128

約数和(自身を含む): 5311656000

約数和(自身を除く): 3671925960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 449, 520, 780, 898, 1347, 1560, 1796, 2245, 2341, 2694, 3592, 4490, 4682, 5388, 5837, 6735, 7023, 8980, 9364, 10776, 11674, 11705, 13470, 14046, 17511, 17960, 18728, 23348, 23410, 26940, 28092, 29185, 30433, 35022, 35115, 46696, 46820, 53880, 56184, 58370, 60866, 70044, 70230, 87555, 91299, 93640, 116740, 121732, 140088, 140460, 152165, 175110, 182598, 233480, 243464, 280920, 304330, 350220, 365196, 456495, 608660, 700440, 730392, 912990, 1051109, 1217320, 1825980, 2102218, 3153327, 3651960, 4204436, 5255545, 6306654, 8408872, 10511090, 12613308, 13664417, 15766635, 21022180, 25226616, 27328834, 31533270, 40993251, 42044360, 54657668, 63066540, 68322085, 81986502, 109315336, 126133080, 136644170, 163973004, 204966255, 273288340, 327946008, 409932510, 546576680, 819865020, 1639730040]

約数ペア:

[(1, 1639730040), (2, 819865020), (3, 546576680), (4, 409932510), (5, 327946008), (6, 273288340), (8, 204966255), (10, 163973004), (12, 136644170), (13, 126133080), (15, 109315336), (20, 81986502), (24, 68322085), (26, 63066540), (30, 54657668), (39, 42044360), (40, 40993251), (52, 31533270), (60, 27328834), (65, 25226616), (78, 21022180), (104, 15766635), (120, 13664417), (130, 12613308), (156, 10511090), (195, 8408872), (260, 6306654), (312, 5255545), (390, 4204436), (449, 3651960), (520, 3153327), (780, 2102218), (898, 1825980), (1347, 1217320), (1560, 1051109), (1796, 912990), (2245, 730392), (2341, 700440), (2694, 608660), (3592, 456495), (4490, 365196), (4682, 350220), (5388, 304330), (5837, 280920), (6735, 243464), (7023, 233480), (8980, 182598), (9364, 175110), (10776, 152165), (11674, 140460), (11705, 140088), (13470, 121732), (14046, 116740), (17511, 93640), (17960, 91299), (18728, 87555), (23348, 70230), (23410, 70044), (26940, 60866), (28092, 58370), (29185, 56184), (30433, 53880), (35022, 46820), (35115, 46696)]