1080720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:117

約数の個数: 120

約数和(自身を含む): 3868800

約数和(自身を除く): 2788080

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, 79, 80, 90, 95, 114, 120, 144, 152, 158, 171, 180, 190, 228, 237, 240, 285, 304, 316, 342, 360, 380, 395, 456, 474, 570, 632, 684, 711, 720, 760, 790, 855, 912, 948, 1140, 1185, 1264, 1368, 1422, 1501, 1520, 1580, 1710, 1896, 2280, 2370, 2736, 2844, 3002, 3160, 3420, 3555, 3792, 4503, 4560, 4740, 5688, 6004, 6320, 6840, 7110, 7505, 9006, 9480, 11376, 12008, 13509, 13680, 14220, 15010, 18012, 18960, 22515, 24016, 27018, 28440, 30020, 36024, 45030, 54036, 56880, 60040, 67545, 72048, 90060, 108072, 120080, 135090, 180120, 216144, 270180, 360240, 540360, 1080720]

約数ペア:

[(1, 1080720), (2, 540360), (3, 360240), (4, 270180), (5, 216144), (6, 180120), (8, 135090), (9, 120080), (10, 108072), (12, 90060), (15, 72048), (16, 67545), (18, 60040), (19, 56880), (20, 54036), (24, 45030), (30, 36024), (36, 30020), (38, 28440), (40, 27018), (45, 24016), (48, 22515), (57, 18960), (60, 18012), (72, 15010), (76, 14220), (79, 13680), (80, 13509), (90, 12008), (95, 11376), (114, 9480), (120, 9006), (144, 7505), (152, 7110), (158, 6840), (171, 6320), (180, 6004), (190, 5688), (228, 4740), (237, 4560), (240, 4503), (285, 3792), (304, 3555), (316, 3420), (342, 3160), (360, 3002), (380, 2844), (395, 2736), (456, 2370), (474, 2280), (570, 1896), (632, 1710), (684, 1580), (711, 1520), (720, 1501), (760, 1422), (790, 1368), (855, 1264), (912, 1185), (948, 1140)]