72371880

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{3191}}^1$

素因数の和:3221

約数の個数: 160

約数和(自身を含む): 278087040

約数和(自身を除く): 205715160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3191, 3240, 3780, 4536, 5670, 6382, 7560, 9573, 11340, 12764, 15955, 19146, 22337, 22680, 25528, 28719, 31910, 38292, 44674, 47865, 57438, 63820, 67011, 76584, 86157, 89348, 95730, 111685, 114876, 127640, 134022, 143595, 172314, 178696, 191460, 201033, 223370, 229752, 258471, 268044, 287190, 335055, 344628, 382920, 402066, 430785, 446740, 516942, 536088, 574380, 603099, 670110, 689256, 804132, 861570, 893480, 1005165, 1033884, 1148760, 1206198, 1292355, 1340220, 1608264, 1723140, 1809297, 2010330, 2067768, 2412396, 2584710, 2680440, 3015495, 3446280, 3618594, 4020660, 4824792, 5169420, 6030990, 7237188, 8041320, 9046485, 10338840, 12061980, 14474376, 18092970, 24123960, 36185940, 72371880]

約数ペア:

[(1, 72371880), (2, 36185940), (3, 24123960), (4, 18092970), (5, 14474376), (6, 12061980), (7, 10338840), (8, 9046485), (9, 8041320), (10, 7237188), (12, 6030990), (14, 5169420), (15, 4824792), (18, 4020660), (20, 3618594), (21, 3446280), (24, 3015495), (27, 2680440), (28, 2584710), (30, 2412396), (35, 2067768), (36, 2010330), (40, 1809297), (42, 1723140), (45, 1608264), (54, 1340220), (56, 1292355), (60, 1206198), (63, 1148760), (70, 1033884), (72, 1005165), (81, 893480), (84, 861570), (90, 804132), (105, 689256), (108, 670110), (120, 603099), (126, 574380), (135, 536088), (140, 516942), (162, 446740), (168, 430785), (180, 402066), (189, 382920), (210, 344628), (216, 335055), (252, 287190), (270, 268044), (280, 258471), (315, 229752), (324, 223370), (360, 201033), (378, 191460), (405, 178696), (420, 172314), (504, 143595), (540, 134022), (567, 127640), (630, 114876), (648, 111685), (756, 95730), (810, 89348), (840, 86157), (945, 76584), (1080, 67011), (1134, 63820), (1260, 57438), (1512, 47865), (1620, 44674), (1890, 38292), (2268, 31910), (2520, 28719), (2835, 25528), (3191, 22680), (3240, 22337), (3780, 19146), (4536, 15955), (5670, 12764), (6382, 11340), (7560, 9573)]