381543040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19231}}^1$

素因数の和:19281

約数の個数: 64

約数和(自身を含む): 941598720

約数和(自身を除く): 560055680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19231, 19840, 38462, 76924, 96155, 153848, 192310, 307696, 384620, 596161, 615392, 769240, 1192322, 1230784, 1538480, 2384644, 2461568, 2980805, 3076960, 4769288, 5961610, 6153920, 9538576, 11923220, 12307840, 19077152, 23846440, 38154304, 47692880, 76308608, 95385760, 190771520, 381543040]

約数ペア:

[(1, 381543040), (2, 190771520), (4, 95385760), (5, 76308608), (8, 47692880), (10, 38154304), (16, 23846440), (20, 19077152), (31, 12307840), (32, 11923220), (40, 9538576), (62, 6153920), (64, 5961610), (80, 4769288), (124, 3076960), (128, 2980805), (155, 2461568), (160, 2384644), (248, 1538480), (310, 1230784), (320, 1192322), (496, 769240), (620, 615392), (640, 596161), (992, 384620), (1240, 307696), (1984, 192310), (2480, 153848), (3968, 96155), (4960, 76924), (9920, 38462), (19231, 19840)]