71854640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:619

約数の個数: 120

約数和(自身を含む): 198101904

約数和(自身を除く): 126247264

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 176, 208, 220, 242, 260, 286, 440, 484, 520, 571, 572, 605, 715, 880, 968, 1040, 1142, 1144, 1210, 1430, 1573, 1936, 2284, 2288, 2420, 2855, 2860, 3146, 4568, 4840, 5710, 5720, 6281, 6292, 7423, 7865, 9136, 9680, 11420, 11440, 12562, 12584, 14846, 15730, 22840, 25124, 25168, 29692, 31405, 31460, 37115, 45680, 50248, 59384, 62810, 62920, 69091, 74230, 81653, 100496, 118768, 125620, 125840, 138182, 148460, 163306, 251240, 276364, 296920, 326612, 345455, 408265, 502480, 552728, 593840, 653224, 690910, 816530, 898183, 1105456, 1306448, 1381820, 1633060, 1796366, 2763640, 3266120, 3592732, 4490915, 5527280, 6532240, 7185464, 8981830, 14370928, 17963660, 35927320, 71854640]

約数ペア:

[(1, 71854640), (2, 35927320), (4, 17963660), (5, 14370928), (8, 8981830), (10, 7185464), (11, 6532240), (13, 5527280), (16, 4490915), (20, 3592732), (22, 3266120), (26, 2763640), (40, 1796366), (44, 1633060), (52, 1381820), (55, 1306448), (65, 1105456), (80, 898183), (88, 816530), (104, 690910), (110, 653224), (121, 593840), (130, 552728), (143, 502480), (176, 408265), (208, 345455), (220, 326612), (242, 296920), (260, 276364), (286, 251240), (440, 163306), (484, 148460), (520, 138182), (571, 125840), (572, 125620), (605, 118768), (715, 100496), (880, 81653), (968, 74230), (1040, 69091), (1142, 62920), (1144, 62810), (1210, 59384), (1430, 50248), (1573, 45680), (1936, 37115), (2284, 31460), (2288, 31405), (2420, 29692), (2855, 25168), (2860, 25124), (3146, 22840), (4568, 15730), (4840, 14846), (5710, 12584), (5720, 12562), (6281, 11440), (6292, 11420), (7423, 9680), (7865, 9136)]