72871080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1031}}^1$

素因数の和:1095

約数の個数: 128

約数和(自身を含む): 237772800

約数和(自身を除く): 164901720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1031, 1140, 1178, 1240, 1767, 1860, 2062, 2280, 2356, 2945, 3093, 3534, 3720, 4124, 4712, 5155, 5890, 6186, 7068, 8248, 8835, 10310, 11780, 12372, 14136, 15465, 17670, 19589, 20620, 23560, 24744, 30930, 31961, 35340, 39178, 41240, 58767, 61860, 63922, 70680, 78356, 95883, 97945, 117534, 123720, 127844, 156712, 159805, 191766, 195890, 235068, 255688, 293835, 319610, 383532, 391780, 470136, 479415, 587670, 607259, 639220, 767064, 783560, 958830, 1175340, 1214518, 1278440, 1821777, 1917660, 2350680, 2429036, 3036295, 3643554, 3835320, 4858072, 6072590, 7287108, 9108885, 12145180, 14574216, 18217770, 24290360, 36435540, 72871080]

約数ペア:

[(1, 72871080), (2, 36435540), (3, 24290360), (4, 18217770), (5, 14574216), (6, 12145180), (8, 9108885), (10, 7287108), (12, 6072590), (15, 4858072), (19, 3835320), (20, 3643554), (24, 3036295), (30, 2429036), (31, 2350680), (38, 1917660), (40, 1821777), (57, 1278440), (60, 1214518), (62, 1175340), (76, 958830), (93, 783560), (95, 767064), (114, 639220), (120, 607259), (124, 587670), (152, 479415), (155, 470136), (186, 391780), (190, 383532), (228, 319610), (248, 293835), (285, 255688), (310, 235068), (372, 195890), (380, 191766), (456, 159805), (465, 156712), (570, 127844), (589, 123720), (620, 117534), (744, 97945), (760, 95883), (930, 78356), (1031, 70680), (1140, 63922), (1178, 61860), (1240, 58767), (1767, 41240), (1860, 39178), (2062, 35340), (2280, 31961), (2356, 30930), (2945, 24744), (3093, 23560), (3534, 20620), (3720, 19589), (4124, 17670), (4712, 15465), (5155, 14136), (5890, 12372), (6186, 11780), (7068, 10310), (8248, 8835)]