79351020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:980

約数の個数: 144

約数和(自身を含む): 279272448

約数和(自身を除く): 199921428

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 630, 639, 710, 852, 887, 994, 1065, 1260, 1278, 1420, 1491, 1774, 1988, 2130, 2485, 2556, 2661, 2982, 3195, 3548, 4260, 4435, 4473, 4970, 5322, 5964, 6209, 6390, 7455, 7983, 8870, 8946, 9940, 10644, 12418, 12780, 13305, 14910, 15966, 17740, 17892, 18627, 22365, 24836, 26610, 29820, 31045, 31932, 37254, 39915, 44730, 53220, 55881, 62090, 62977, 74508, 79830, 89460, 93135, 111762, 124180, 125954, 159660, 186270, 188931, 223524, 251908, 279405, 314885, 372540, 377862, 440839, 558810, 566793, 629770, 755724, 881678, 944655, 1117620, 1133586, 1259540, 1322517, 1763356, 1889310, 2204195, 2267172, 2645034, 2833965, 3778620, 3967551, 4408390, 5290068, 5667930, 6612585, 7935102, 8816780, 11335860, 13225170, 15870204, 19837755, 26450340, 39675510, 79351020]

約数ペア:

[(1, 79351020), (2, 39675510), (3, 26450340), (4, 19837755), (5, 15870204), (6, 13225170), (7, 11335860), (9, 8816780), (10, 7935102), (12, 6612585), (14, 5667930), (15, 5290068), (18, 4408390), (20, 3967551), (21, 3778620), (28, 2833965), (30, 2645034), (35, 2267172), (36, 2204195), (42, 1889310), (45, 1763356), (60, 1322517), (63, 1259540), (70, 1133586), (71, 1117620), (84, 944655), (90, 881678), (105, 755724), (126, 629770), (140, 566793), (142, 558810), (180, 440839), (210, 377862), (213, 372540), (252, 314885), (284, 279405), (315, 251908), (355, 223524), (420, 188931), (426, 186270), (497, 159660), (630, 125954), (639, 124180), (710, 111762), (852, 93135), (887, 89460), (994, 79830), (1065, 74508), (1260, 62977), (1278, 62090), (1420, 55881), (1491, 53220), (1774, 44730), (1988, 39915), (2130, 37254), (2485, 31932), (2556, 31045), (2661, 29820), (2982, 26610), (3195, 24836), (3548, 22365), (4260, 18627), (4435, 17892), (4473, 17740), (4970, 15966), (5322, 14910), (5964, 13305), (6209, 12780), (6390, 12418), (7455, 10644), (7983, 9940), (8870, 8946)]