127301580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1516

約数の個数: 144

約数和(自身を含む): 447842304

約数和(自身を除く): 320540724

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, 994, 1065, 1260, 1278, 1420, 1423, 1491, 1988, 2130, 2485, 2556, 2846, 2982, 3195, 4260, 4269, 4473, 4970, 5692, 5964, 6390, 7115, 7455, 8538, 8946, 9940, 9961, 12780, 12807, 14230, 14910, 17076, 17892, 19922, 21345, 22365, 25614, 28460, 29820, 29883, 39844, 42690, 44730, 49805, 51228, 59766, 64035, 85380, 89460, 89649, 99610, 101033, 119532, 128070, 149415, 179298, 199220, 202066, 256140, 298830, 303099, 358596, 404132, 448245, 505165, 597660, 606198, 707231, 896490, 909297, 1010330, 1212396, 1414462, 1515495, 1792980, 1818594, 2020660, 2121693, 2828924, 3030990, 3536155, 3637188, 4243386, 4546485, 6061980, 6365079, 7072310, 8486772, 9092970, 10608465, 12730158, 14144620, 18185940, 21216930, 25460316, 31825395, 42433860, 63650790, 127301580]

約数ペア:

[(1, 127301580), (2, 63650790), (3, 42433860), (4, 31825395), (5, 25460316), (6, 21216930), (7, 18185940), (9, 14144620), (10, 12730158), (12, 10608465), (14, 9092970), (15, 8486772), (18, 7072310), (20, 6365079), (21, 6061980), (28, 4546485), (30, 4243386), (35, 3637188), (36, 3536155), (42, 3030990), (45, 2828924), (60, 2121693), (63, 2020660), (70, 1818594), (71, 1792980), (84, 1515495), (90, 1414462), (105, 1212396), (126, 1010330), (140, 909297), (142, 896490), (180, 707231), (210, 606198), (213, 597660), (252, 505165), (284, 448245), (315, 404132), (355, 358596), (420, 303099), (426, 298830), (497, 256140), (630, 202066), (639, 199220), (710, 179298), (852, 149415), (994, 128070), (1065, 119532), (1260, 101033), (1278, 99610), (1420, 89649), (1423, 89460), (1491, 85380), (1988, 64035), (2130, 59766), (2485, 51228), (2556, 49805), (2846, 44730), (2982, 42690), (3195, 39844), (4260, 29883), (4269, 29820), (4473, 28460), (4970, 25614), (5692, 22365), (5964, 21345), (6390, 19922), (7115, 17892), (7455, 17076), (8538, 14910), (8946, 14230), (9940, 12807), (9961, 12780)]