80251920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{15923}}^1$

素因数の和:15949

約数の個数: 120

約数和(自身を含む): 308033856

約数和(自身を除く): 227781936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 15923, 31846, 47769, 63692, 79615, 95538, 111461, 127384, 143307, 159230, 191076, 222922, 238845, 254768, 286614, 318460, 334383, 382152, 445844, 477690, 557305, 573228, 636920, 668766, 716535, 764304, 891688, 955380, 1003149, 1114610, 1146456, 1273840, 1337532, 1433070, 1671915, 1783376, 1910760, 2006298, 2229220, 2292912, 2675064, 2866140, 3343830, 3821520, 4012596, 4458440, 5015745, 5350128, 5732280, 6687660, 8025192, 8916880, 10031490, 11464560, 13375320, 16050384, 20062980, 26750640, 40125960, 80251920]

約数ペア:

[(1, 80251920), (2, 40125960), (3, 26750640), (4, 20062980), (5, 16050384), (6, 13375320), (7, 11464560), (8, 10031490), (9, 8916880), (10, 8025192), (12, 6687660), (14, 5732280), (15, 5350128), (16, 5015745), (18, 4458440), (20, 4012596), (21, 3821520), (24, 3343830), (28, 2866140), (30, 2675064), (35, 2292912), (36, 2229220), (40, 2006298), (42, 1910760), (45, 1783376), (48, 1671915), (56, 1433070), (60, 1337532), (63, 1273840), (70, 1146456), (72, 1114610), (80, 1003149), (84, 955380), (90, 891688), (105, 764304), (112, 716535), (120, 668766), (126, 636920), (140, 573228), (144, 557305), (168, 477690), (180, 445844), (210, 382152), (240, 334383), (252, 318460), (280, 286614), (315, 254768), (336, 238845), (360, 222922), (420, 191076), (504, 159230), (560, 143307), (630, 127384), (720, 111461), (840, 95538), (1008, 79615), (1260, 63692), (1680, 47769), (2520, 31846), (5040, 15923)]