15900326520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{11491}}^1$

素因数の和:12405

約数の個数: 128

約数和(自身を含む): 51432675840

約数和(自身を除く): 35532349320

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, 520, 780, 887, 1560, 1774, 2661, 3548, 4435, 5322, 7096, 8870, 10644, 11491, 11531, 13305, 17740, 21288, 22982, 23062, 26610, 34473, 34593, 35480, 45964, 46124, 53220, 57455, 57655, 68946, 69186, 91928, 92248, 106440, 114910, 115310, 137892, 138372, 149383, 172365, 172965, 229820, 230620, 275784, 276744, 298766, 344730, 345930, 448149, 459640, 461240, 597532, 689460, 691860, 746915, 896298, 1195064, 1378920, 1383720, 1493830, 1792596, 2240745, 2987660, 3585192, 4481490, 5975320, 8962980, 10192517, 17925960, 20385034, 30577551, 40770068, 50962585, 61155102, 81540136, 101925170, 122310204, 132502721, 152887755, 203850340, 244620408, 265005442, 305775510, 397508163, 407700680, 530010884, 611551020, 662513605, 795016326, 1060021768, 1223102040, 1325027210, 1590032652, 1987540815, 2650054420, 3180065304, 3975081630, 5300108840, 7950163260, 15900326520]

約数ペア:

[(1, 15900326520), (2, 7950163260), (3, 5300108840), (4, 3975081630), (5, 3180065304), (6, 2650054420), (8, 1987540815), (10, 1590032652), (12, 1325027210), (13, 1223102040), (15, 1060021768), (20, 795016326), (24, 662513605), (26, 611551020), (30, 530010884), (39, 407700680), (40, 397508163), (52, 305775510), (60, 265005442), (65, 244620408), (78, 203850340), (104, 152887755), (120, 132502721), (130, 122310204), (156, 101925170), (195, 81540136), (260, 61155102), (312, 50962585), (390, 40770068), (520, 30577551), (780, 20385034), (887, 17925960), (1560, 10192517), (1774, 8962980), (2661, 5975320), (3548, 4481490), (4435, 3585192), (5322, 2987660), (7096, 2240745), (8870, 1792596), (10644, 1493830), (11491, 1383720), (11531, 1378920), (13305, 1195064), (17740, 896298), (21288, 746915), (22982, 691860), (23062, 689460), (26610, 597532), (34473, 461240), (34593, 459640), (35480, 448149), (45964, 345930), (46124, 344730), (53220, 298766), (57455, 276744), (57655, 275784), (68946, 230620), (69186, 229820), (91928, 172965), (92248, 172365), (106440, 149383), (114910, 138372), (115310, 137892)]