218756880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15991}}^1$

素因数の和:16029

約数の個数: 120

約数和(自身を含む): 773373120

約数和(自身を除く): 554616240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 15991, 31982, 47973, 63964, 79955, 95946, 127928, 143919, 159910, 191892, 239865, 255856, 287838, 303829, 319820, 383784, 479730, 575676, 607658, 639640, 719595, 767568, 911487, 959460, 1151352, 1215316, 1279280, 1439190, 1519145, 1822974, 1918920, 2302704, 2430632, 2734461, 2878380, 3038290, 3645948, 3837840, 4557435, 4861264, 5468922, 5756760, 6076580, 7291896, 9114870, 10937844, 11513520, 12153160, 13672305, 14583792, 18229740, 21875688, 24306320, 27344610, 36459480, 43751376, 54689220, 72918960, 109378440, 218756880]

約数ペア:

[(1, 218756880), (2, 109378440), (3, 72918960), (4, 54689220), (5, 43751376), (6, 36459480), (8, 27344610), (9, 24306320), (10, 21875688), (12, 18229740), (15, 14583792), (16, 13672305), (18, 12153160), (19, 11513520), (20, 10937844), (24, 9114870), (30, 7291896), (36, 6076580), (38, 5756760), (40, 5468922), (45, 4861264), (48, 4557435), (57, 3837840), (60, 3645948), (72, 3038290), (76, 2878380), (80, 2734461), (90, 2430632), (95, 2302704), (114, 1918920), (120, 1822974), (144, 1519145), (152, 1439190), (171, 1279280), (180, 1215316), (190, 1151352), (228, 959460), (240, 911487), (285, 767568), (304, 719595), (342, 639640), (360, 607658), (380, 575676), (456, 479730), (570, 383784), (684, 319820), (720, 303829), (760, 287838), (855, 255856), (912, 239865), (1140, 191892), (1368, 159910), (1520, 143919), (1710, 127928), (2280, 95946), (2736, 79955), (3420, 63964), (4560, 47973), (6840, 31982), (13680, 15991)]