2161440

素因数分解:

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

素因数の和:119

約数の個数: 144

約数和(自身を含む): 7862400

約数和(自身を除く): 5700960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 79, 80, 90, 95, 96, 114, 120, 144, 152, 158, 160, 171, 180, 190, 228, 237, 240, 285, 288, 304, 316, 342, 360, 380, 395, 456, 474, 480, 570, 608, 632, 684, 711, 720, 760, 790, 855, 912, 948, 1140, 1185, 1264, 1368, 1422, 1440, 1501, 1520, 1580, 1710, 1824, 1896, 2280, 2370, 2528, 2736, 2844, 3002, 3040, 3160, 3420, 3555, 3792, 4503, 4560, 4740, 5472, 5688, 6004, 6320, 6840, 7110, 7505, 7584, 9006, 9120, 9480, 11376, 12008, 12640, 13509, 13680, 14220, 15010, 18012, 18960, 22515, 22752, 24016, 27018, 27360, 28440, 30020, 36024, 37920, 45030, 48032, 54036, 56880, 60040, 67545, 72048, 90060, 108072, 113760, 120080, 135090, 144096, 180120, 216144, 240160, 270180, 360240, 432288, 540360, 720480, 1080720, 2161440]

約数ペア:

[(1, 2161440), (2, 1080720), (3, 720480), (4, 540360), (5, 432288), (6, 360240), (8, 270180), (9, 240160), (10, 216144), (12, 180120), (15, 144096), (16, 135090), (18, 120080), (19, 113760), (20, 108072), (24, 90060), (30, 72048), (32, 67545), (36, 60040), (38, 56880), (40, 54036), (45, 48032), (48, 45030), (57, 37920), (60, 36024), (72, 30020), (76, 28440), (79, 27360), (80, 27018), (90, 24016), (95, 22752), (96, 22515), (114, 18960), (120, 18012), (144, 15010), (152, 14220), (158, 13680), (160, 13509), (171, 12640), (180, 12008), (190, 11376), (228, 9480), (237, 9120), (240, 9006), (285, 7584), (288, 7505), (304, 7110), (316, 6840), (342, 6320), (360, 6004), (380, 5688), (395, 5472), (456, 4740), (474, 4560), (480, 4503), (570, 3792), (608, 3555), (632, 3420), (684, 3160), (711, 3040), (720, 3002), (760, 2844), (790, 2736), (855, 2528), (912, 2370), (948, 2280), (1140, 1896), (1185, 1824), (1264, 1710), (1368, 1580), (1422, 1520), (1440, 1501)]