828542720

素因数分解:

$2^8\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3389}}^1$

素因数の和:3601

約数の個数: 72

約数和(自身を含む): 1995598080

約数和(自身を除く): 1167055360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 191, 256, 320, 382, 640, 764, 955, 1280, 1528, 1910, 3056, 3389, 3820, 6112, 6778, 7640, 12224, 13556, 15280, 16945, 24448, 27112, 30560, 33890, 48896, 54224, 61120, 67780, 108448, 122240, 135560, 216896, 244480, 271120, 433792, 542240, 647299, 867584, 1084480, 1294598, 2168960, 2589196, 3236495, 4337920, 5178392, 6472990, 10356784, 12945980, 20713568, 25891960, 41427136, 51783920, 82854272, 103567840, 165708544, 207135680, 414271360, 828542720]

約数ペア:

[(1, 828542720), (2, 414271360), (4, 207135680), (5, 165708544), (8, 103567840), (10, 82854272), (16, 51783920), (20, 41427136), (32, 25891960), (40, 20713568), (64, 12945980), (80, 10356784), (128, 6472990), (160, 5178392), (191, 4337920), (256, 3236495), (320, 2589196), (382, 2168960), (640, 1294598), (764, 1084480), (955, 867584), (1280, 647299), (1528, 542240), (1910, 433792), (3056, 271120), (3389, 244480), (3820, 216896), (6112, 135560), (6778, 122240), (7640, 108448), (12224, 67780), (13556, 61120), (15280, 54224), (16945, 48896), (24448, 33890), (27112, 30560)]