1681789760

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{379}}^1$

素因数の和:693

約数の個数: 168

約数和(自身を含む): 4687397280

約数和(自身を除く): 3005607520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 283, 320, 379, 392, 448, 490, 560, 566, 758, 784, 980, 1120, 1132, 1415, 1516, 1568, 1895, 1960, 1981, 2240, 2264, 2653, 2830, 3032, 3136, 3790, 3920, 3962, 4528, 5306, 5660, 6064, 7580, 7840, 7924, 9056, 9905, 10612, 11320, 12128, 13265, 13867, 15160, 15680, 15848, 18112, 18571, 19810, 21224, 22640, 24256, 26530, 27734, 30320, 31696, 37142, 39620, 42448, 45280, 53060, 55468, 60640, 63392, 69335, 74284, 79240, 84896, 90560, 92855, 106120, 107257, 110936, 121280, 126784, 138670, 148568, 158480, 169792, 185710, 212240, 214514, 221872, 277340, 297136, 316960, 371420, 424480, 429028, 443744, 536285, 554680, 594272, 633920, 742840, 750799, 848960, 858056, 887488, 1072570, 1109360, 1188544, 1485680, 1501598, 1716112, 2145140, 2218720, 2971360, 3003196, 3432224, 3753995, 4290280, 4437440, 5255593, 5942720, 6006392, 6864448, 7507990, 8580560, 10511186, 12012784, 15015980, 17161120, 21022372, 24025568, 26277965, 30031960, 34322240, 42044744, 48051136, 52555930, 60063920, 84089488, 105111860, 120127840, 168178976, 210223720, 240255680, 336357952, 420447440, 840894880, 1681789760]

約数ペア:

[(1, 1681789760), (2, 840894880), (4, 420447440), (5, 336357952), (7, 240255680), (8, 210223720), (10, 168178976), (14, 120127840), (16, 105111860), (20, 84089488), (28, 60063920), (32, 52555930), (35, 48051136), (40, 42044744), (49, 34322240), (56, 30031960), (64, 26277965), (70, 24025568), (80, 21022372), (98, 17161120), (112, 15015980), (140, 12012784), (160, 10511186), (196, 8580560), (224, 7507990), (245, 6864448), (280, 6006392), (283, 5942720), (320, 5255593), (379, 4437440), (392, 4290280), (448, 3753995), (490, 3432224), (560, 3003196), (566, 2971360), (758, 2218720), (784, 2145140), (980, 1716112), (1120, 1501598), (1132, 1485680), (1415, 1188544), (1516, 1109360), (1568, 1072570), (1895, 887488), (1960, 858056), (1981, 848960), (2240, 750799), (2264, 742840), (2653, 633920), (2830, 594272), (3032, 554680), (3136, 536285), (3790, 443744), (3920, 429028), (3962, 424480), (4528, 371420), (5306, 316960), (5660, 297136), (6064, 277340), (7580, 221872), (7840, 214514), (7924, 212240), (9056, 185710), (9905, 169792), (10612, 158480), (11320, 148568), (12128, 138670), (13265, 126784), (13867, 121280), (15160, 110936), (15680, 107257), (15848, 106120), (18112, 92855), (18571, 90560), (19810, 84896), (21224, 79240), (22640, 74284), (24256, 69335), (26530, 63392), (27734, 60640), (30320, 55468), (31696, 53060), (37142, 45280), (39620, 42448)]