13220480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:266

約数の個数: 128

約数和(自身を含む): 39070080

約数和(自身を除く): 25849600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 227, 260, 280, 320, 364, 416, 448, 454, 455, 520, 560, 640, 728, 832, 896, 908, 910, 1040, 1120, 1135, 1456, 1589, 1664, 1816, 1820, 2080, 2240, 2270, 2912, 2951, 3178, 3632, 3640, 4160, 4480, 4540, 5824, 5902, 6356, 7264, 7280, 7945, 8320, 9080, 11648, 11804, 12712, 14528, 14560, 14755, 15890, 18160, 20657, 23608, 25424, 29056, 29120, 29510, 31780, 36320, 41314, 47216, 50848, 58240, 59020, 63560, 72640, 82628, 94432, 101696, 103285, 118040, 127120, 145280, 165256, 188864, 203392, 206570, 236080, 254240, 330512, 377728, 413140, 472160, 508480, 661024, 826280, 944320, 1016960, 1322048, 1652560, 1888640, 2644096, 3305120, 6610240, 13220480]

約数ペア:

[(1, 13220480), (2, 6610240), (4, 3305120), (5, 2644096), (7, 1888640), (8, 1652560), (10, 1322048), (13, 1016960), (14, 944320), (16, 826280), (20, 661024), (26, 508480), (28, 472160), (32, 413140), (35, 377728), (40, 330512), (52, 254240), (56, 236080), (64, 206570), (65, 203392), (70, 188864), (80, 165256), (91, 145280), (104, 127120), (112, 118040), (128, 103285), (130, 101696), (140, 94432), (160, 82628), (182, 72640), (208, 63560), (224, 59020), (227, 58240), (260, 50848), (280, 47216), (320, 41314), (364, 36320), (416, 31780), (448, 29510), (454, 29120), (455, 29056), (520, 25424), (560, 23608), (640, 20657), (728, 18160), (832, 15890), (896, 14755), (908, 14560), (910, 14528), (1040, 12712), (1120, 11804), (1135, 11648), (1456, 9080), (1589, 8320), (1664, 7945), (1816, 7280), (1820, 7264), (2080, 6356), (2240, 5902), (2270, 5824), (2912, 4540), (2951, 4480), (3178, 4160), (3632, 3640)]