20125180380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{2539}}^1$

素因数の和:2996

約数の個数: 192

約数和(自身を含む): 62983872000

約数和(自身を除く): 42858691620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 409, 510, 570, 646, 818, 969, 1020, 1140, 1227, 1292, 1615, 1636, 1938, 2045, 2454, 2539, 3230, 3876, 4090, 4845, 4908, 5078, 6135, 6460, 6953, 7617, 7771, 8180, 9690, 10156, 12270, 12695, 13906, 15234, 15542, 19380, 20859, 23313, 24540, 25390, 27812, 30468, 31084, 34765, 38085, 38855, 41718, 43163, 46626, 48241, 50780, 69530, 76170, 77710, 83436, 86326, 93252, 96482, 104295, 116565, 129489, 132107, 139060, 144723, 152340, 155420, 172652, 192964, 208590, 215815, 233130, 241205, 258978, 264214, 289446, 396321, 417180, 431630, 466260, 482410, 517956, 528428, 578892, 647445, 660535, 723615, 792642, 820097, 863260, 964820, 1038451, 1294890, 1321070, 1447230, 1585284, 1640194, 1981605, 2076902, 2460291, 2589780, 2642140, 2894460, 3115353, 3280388, 3963210, 4100485, 4153804, 4920582, 5192255, 6230706, 7926420, 8200970, 9841164, 10384510, 12301455, 12461412, 15576765, 16401940, 17653667, 19730569, 20769020, 24602910, 31153530, 35307334, 39461138, 49205820, 52961001, 59191707, 62307060, 70614668, 78922276, 88268335, 98652845, 105922002, 118383414, 176536670, 197305690, 211844004, 236766828, 264805005, 295958535, 335419673, 353073340, 394611380, 529610010, 591917070, 670839346, 1006259019, 1059220020, 1183834140, 1341678692, 1677098365, 2012518038, 3354196730, 4025036076, 5031295095, 6708393460, 10062590190, 20125180380]

約数ペア:

[(1, 20125180380), (2, 10062590190), (3, 6708393460), (4, 5031295095), (5, 4025036076), (6, 3354196730), (10, 2012518038), (12, 1677098365), (15, 1341678692), (17, 1183834140), (19, 1059220020), (20, 1006259019), (30, 670839346), (34, 591917070), (38, 529610010), (51, 394611380), (57, 353073340), (60, 335419673), (68, 295958535), (76, 264805005), (85, 236766828), (95, 211844004), (102, 197305690), (114, 176536670), (170, 118383414), (190, 105922002), (204, 98652845), (228, 88268335), (255, 78922276), (285, 70614668), (323, 62307060), (340, 59191707), (380, 52961001), (409, 49205820), (510, 39461138), (570, 35307334), (646, 31153530), (818, 24602910), (969, 20769020), (1020, 19730569), (1140, 17653667), (1227, 16401940), (1292, 15576765), (1615, 12461412), (1636, 12301455), (1938, 10384510), (2045, 9841164), (2454, 8200970), (2539, 7926420), (3230, 6230706), (3876, 5192255), (4090, 4920582), (4845, 4153804), (4908, 4100485), (5078, 3963210), (6135, 3280388), (6460, 3115353), (6953, 2894460), (7617, 2642140), (7771, 2589780), (8180, 2460291), (9690, 2076902), (10156, 1981605), (12270, 1640194), (12695, 1585284), (13906, 1447230), (15234, 1321070), (15542, 1294890), (19380, 1038451), (20859, 964820), (23313, 863260), (24540, 820097), (25390, 792642), (27812, 723615), (30468, 660535), (31084, 647445), (34765, 578892), (38085, 528428), (38855, 517956), (41718, 482410), (43163, 466260), (46626, 431630), (48241, 417180), (50780, 396321), (69530, 289446), (76170, 264214), (77710, 258978), (83436, 241205), (86326, 233130), (93252, 215815), (96482, 208590), (104295, 192964), (116565, 172652), (129489, 155420), (132107, 152340), (139060, 144723)]