18720035760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{39857}}^1$

素因数の和:39995

約数の個数: 160

約数和(自身を含む): 61681052160

約数和(自身を除く): 42961016400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 103, 114, 120, 152, 190, 206, 228, 240, 285, 304, 309, 380, 412, 456, 515, 570, 618, 760, 824, 912, 1030, 1140, 1236, 1520, 1545, 1648, 1957, 2060, 2280, 2472, 3090, 3914, 4120, 4560, 4944, 5871, 6180, 7828, 8240, 9785, 11742, 12360, 15656, 19570, 23484, 24720, 29355, 31312, 39140, 39857, 46968, 58710, 78280, 79714, 93936, 117420, 119571, 156560, 159428, 199285, 234840, 239142, 318856, 398570, 469680, 478284, 597855, 637712, 757283, 797140, 956568, 1195710, 1514566, 1594280, 1913136, 2271849, 2391420, 3029132, 3188560, 3786415, 4105271, 4543698, 4782840, 6058264, 7572830, 8210542, 9087396, 9565680, 11359245, 12116528, 12315813, 15145660, 16421084, 18174792, 20526355, 22718490, 24631626, 30291320, 32842168, 36349584, 41052710, 45436980, 49263252, 60582640, 61579065, 65684336, 78000149, 82105420, 90873960, 98526504, 123158130, 156000298, 164210840, 181747920, 197053008, 234000447, 246316260, 312000596, 328421680, 390000745, 468000894, 492632520, 624001192, 780001490, 936001788, 985265040, 1170002235, 1248002384, 1560002980, 1872003576, 2340004470, 3120005960, 3744007152, 4680008940, 6240011920, 9360017880, 18720035760]

約数ペア:

[(1, 18720035760), (2, 9360017880), (3, 6240011920), (4, 4680008940), (5, 3744007152), (6, 3120005960), (8, 2340004470), (10, 1872003576), (12, 1560002980), (15, 1248002384), (16, 1170002235), (19, 985265040), (20, 936001788), (24, 780001490), (30, 624001192), (38, 492632520), (40, 468000894), (48, 390000745), (57, 328421680), (60, 312000596), (76, 246316260), (80, 234000447), (95, 197053008), (103, 181747920), (114, 164210840), (120, 156000298), (152, 123158130), (190, 98526504), (206, 90873960), (228, 82105420), (240, 78000149), (285, 65684336), (304, 61579065), (309, 60582640), (380, 49263252), (412, 45436980), (456, 41052710), (515, 36349584), (570, 32842168), (618, 30291320), (760, 24631626), (824, 22718490), (912, 20526355), (1030, 18174792), (1140, 16421084), (1236, 15145660), (1520, 12315813), (1545, 12116528), (1648, 11359245), (1957, 9565680), (2060, 9087396), (2280, 8210542), (2472, 7572830), (3090, 6058264), (3914, 4782840), (4120, 4543698), (4560, 4105271), (4944, 3786415), (5871, 3188560), (6180, 3029132), (7828, 2391420), (8240, 2271849), (9785, 1913136), (11742, 1594280), (12360, 1514566), (15656, 1195710), (19570, 956568), (23484, 797140), (24720, 757283), (29355, 637712), (31312, 597855), (39140, 478284), (39857, 469680), (46968, 398570), (58710, 318856), (78280, 239142), (79714, 234840), (93936, 199285), (117420, 159428), (119571, 156560)]