72916800

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1381}}^1$

素因数の和:1417

約数の個数: 168

約数和(自身を含む): 261164832

約数和(自身を除く): 188248032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 32, 33, 40, 44, 48, 50, 55, 60, 64, 66, 75, 80, 88, 96, 100, 110, 120, 132, 150, 160, 165, 176, 192, 200, 220, 240, 264, 275, 300, 320, 330, 352, 400, 440, 480, 528, 550, 600, 660, 704, 800, 825, 880, 960, 1056, 1100, 1200, 1320, 1381, 1600, 1650, 1760, 2112, 2200, 2400, 2640, 2762, 3300, 3520, 4143, 4400, 4800, 5280, 5524, 6600, 6905, 8286, 8800, 10560, 11048, 13200, 13810, 15191, 16572, 17600, 20715, 22096, 26400, 27620, 30382, 33144, 34525, 41430, 44192, 45573, 52800, 55240, 60764, 66288, 69050, 75955, 82860, 88384, 91146, 103575, 110480, 121528, 132576, 138100, 151910, 165720, 182292, 207150, 220960, 227865, 243056, 265152, 276200, 303820, 331440, 364584, 379775, 414300, 441920, 455730, 486112, 552400, 607640, 662880, 729168, 759550, 828600, 911460, 972224, 1104800, 1139325, 1215280, 1325760, 1458336, 1519100, 1657200, 1822920, 2209600, 2278650, 2430560, 2916672, 3038200, 3314400, 3645840, 4557300, 4861120, 6076400, 6628800, 7291680, 9114600, 12152800, 14583360, 18229200, 24305600, 36458400, 72916800]

約数ペア:

[(1, 72916800), (2, 36458400), (3, 24305600), (4, 18229200), (5, 14583360), (6, 12152800), (8, 9114600), (10, 7291680), (11, 6628800), (12, 6076400), (15, 4861120), (16, 4557300), (20, 3645840), (22, 3314400), (24, 3038200), (25, 2916672), (30, 2430560), (32, 2278650), (33, 2209600), (40, 1822920), (44, 1657200), (48, 1519100), (50, 1458336), (55, 1325760), (60, 1215280), (64, 1139325), (66, 1104800), (75, 972224), (80, 911460), (88, 828600), (96, 759550), (100, 729168), (110, 662880), (120, 607640), (132, 552400), (150, 486112), (160, 455730), (165, 441920), (176, 414300), (192, 379775), (200, 364584), (220, 331440), (240, 303820), (264, 276200), (275, 265152), (300, 243056), (320, 227865), (330, 220960), (352, 207150), (400, 182292), (440, 165720), (480, 151910), (528, 138100), (550, 132576), (600, 121528), (660, 110480), (704, 103575), (800, 91146), (825, 88384), (880, 82860), (960, 75955), (1056, 69050), (1100, 66288), (1200, 60764), (1320, 55240), (1381, 52800), (1600, 45573), (1650, 44192), (1760, 41430), (2112, 34525), (2200, 33144), (2400, 30382), (2640, 27620), (2762, 26400), (3300, 22096), (3520, 20715), (4143, 17600), (4400, 16572), (4800, 15191), (5280, 13810), (5524, 13200), (6600, 11048), (6905, 10560), (8286, 8800)]